What happened to the Galapagos Finches?
POPULATION SIZE OF FINCHES FROM 1975-1978
- Population Size
1600
1450
1400
-1400
1200
1227
1175
1000
866
800
600
637
400
15
261
200
199
0
01/75 05/75 09/75 01/76 05/76 09/76 01/77 05/77 09/77 01/78 05/78 09/78
Observation: Population Size
Using the above graph of the finch population of Galapagos Island, Daphne Major, analyze
and collect the requested information (complete sentences):
1. Provide quantitative and qualitative data as for an instance of positive population
growth. Include population values and time periods (2 points).
mo
Answers
Answer:
Unavailability of food decrease their population.
Explanation:
The population of Galapagos Finches decreases because of unavailability of food. Galapagos Finches feeds on a specific insects whose population decreases on that Island that leads to the death of the Galapagos Finches and they decrease in number. Positive population growth occurs only if more food is available to the Finches or they adapt another food item for themselves which fulfill their need of food.
Related Questions
2. What structure caused rotifers to be called wheel animals or wheel bearers?
1 the foot
2 the corona
3 the brain
4 the stomach
Answers
The structure that caused rotifers to be called wheel animals or wheel bearers is the corona.
Rotifers are also known as wheel animals or wheel bearers because of the corona structure around their mouth region.
Some rotifers are sessile and live inside tubes or gelatinous holdfasts that are attached to a substrate. Other rotifers migrate around a substrate through inch worming.
This is because when corona is seen in a sequential coordinated movement, it resembles the structure of a wheel, although it does not rotate in reality.
Therefore, we conclude that rotifers are called wheel animals or wheel bearers due to the presence of the corona structure.
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What is one function of the structure labeled Y?
digest prey
pump blood into the heart
remove carbon dioxide from blood
capture prey
Answers
One function of the structure labeled Y is to pump blood into the heart.
The correct option is B.
What is the structure labeled Y in the snail?Structure Y refers to the pericardial cavity which surrounds the heart in snails.
The pericardial cavity plays an important role in the circulation of hemolymph, the snail's equivalent of blood. It functions as a chamber that receives and stores oxygenated hemolymph from the gills and pumps it into the heart, which then distributes it throughout the rest of the body.
Therefore, option "pump blood into the heart" is the correct function of structure Y. Option "digest prey" is not related to the structure Y in snails, and option "remove carbon dioxide from blood" and "capture prey" are not relevant to the circulatory system of snails.
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Complete question:
A snail is shown in the diagram. What is one function of the structure labeled Y?
digest prey
pump blood into the heart
remove carbon dioxide from blood
capture prey
Investigation Why are cells so small?
Answers
Answer:
they build up over time making its shape
Explanation:
Why is melted ice cream an example of a physical change? A. Changing from solid to liquid has not kept the molecules and atoms intact, which means the matter has changed. B. Once ice cream changes from a solid to a liquid, the matter has changed cannot be returned to its solid form. C. Even though the form has changed from solid to liquid, the matter has not changed. D. The form has changed from solid to liquid, and the atoms from two kinds of matter have made a completely different substance.
Answers
In a certain population of lizards, some of the lizards have longer legs than others. After a new kind of predator is introduced to the ecosystem, a change occurs in the lizard population. This change is shown by the following graph.
Which of the following best explains what may have caused this change?
A.
Lizards with long legs are more attractive as food for the new predator.
B.
Lizards with long legs can run faster to escape the new predator.
C.
Lizards with short legs can climb trees better to escape the new predator.
D.
Lizards with short legs need less food every day than the new predator.
Answers
Answer:B
Explanation:
If lizards with long legs can run faster to escape the new predator than lizards with short legs can, then the long-legged lizards are more likely to survive and reproduce. The short-legged lizards are more likely to be caught by the predator, so they are less likely to survive and reproduce. Because of this, the majority of the lizards' offspring have long legs.
The above figure gives the cost figures for Jones farm which produce es wheat and sells it in the competitive market for wheat. The quantity of wheat produces in the figure is in the thousands of bushels. At the market price of $10 for wheat Jones farm will reduce thousand bushels of wheat in the short run, and make a profit of
Answers
The above figure gives the cost figures for Jones Farm which producees wheat and sells it in the competitive market for wheat. The quantity of wheat produces in the figure is in the thousands of bushels.
At the market price of $10 for wheat Jones farm will reduce a thousand bushels of wheat in the short run, Jones farm will produce 4,000 bushels of wheat in the quick run and make earnings of $10,000.
To answer this question, you need to discover the income-maximizing output stage for Jones Farm, that is wherein the marginal revenue (MR) equals the marginal cost (MC). Since the market rate of wheat is $10 and Jones Farm is a fee-taker in an aggressive marketplace, the MR is likewise $10.
Looking at the discerning, you could see that the MC curve intersects the MR line at 4,000 bushels. This manner that Jones Farm will produce 4,000 bushels of wheat in the quick run to maximize its income.
To find the profit, you want to subtract the full value (TC) from the full revenue (TR). The TR is manufactured from the fee and the amount, which is $10 x 4,000 = $40,000.
The TC is given by the TC curve at 4000 bushels, which is $30,000. Therefore, the income is $40,000 - $30,000 = $10,000.
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The above question is;
"The above figure gives the cost figures for Jones farm which produce es wheat and sells it in the competitive market for wheat. The quantity of wheat produces in the figure is in the thousands of bushels. At the market price of $10 for wheat Jones farm will reduce thousand bushels of wheat in the short run, and make a profit of"
Lewis Structures of Atoms
Identify the Number of Valence Electrons and Draw the Lewis Dot Structure
Notes: Chemists use Lewis Dot Structures to show the valence electrons of an element as dots. Since bonding involves the valence shell electrons only, it is only necessary to illustrate those outer electrons.
Element
Group #
# of valence e-
Lewis dot structures
Calcium
Carbon
Fluorine
Oxygen
Neon
Hydrogen
Aluminum
Answers
The Lewis dot structures represent the valence electrons of the elements, which are the electrons in the outermost shell. The dots are placed around the element's symbol, with each dot representing one valence electron.
Here are the number of valence electrons and the corresponding Lewis dot structures for each element:
Calcium:
Group #: 2
of valence e-: 2
Lewis dot structure: Ca with 2 dots around it.
Carbon:
Group #: 14
of valence e-: 4
Lewis dot structure: C with 4 dots around it.
Fluorine:
Group #: 17
of valence e-: 7
Lewis dot structure: F with 7 dots around it.
Oxygen:
Group #: 16
of valence e-: 6
Lewis dot structure: O with 6 dots around it.
Neon:
Group #: 18
of valence e-: 8
Lewis dot structure: Ne with 8 dots around it.
Hydrogen:
Group #: 1
of valence e-: 1
Lewis dot structure: H with 1 dot around it.
Aluminum:
Group #: 13
of valence e-: 3
Lewis dot structure: Al with 3 dots around it.
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Steps of Translation
Using the following word bank: anticodons, codons, mRNA, RNA; fill in the steps of translation.
The ribosome binds to a strand of _____
This nucleic acid has
three-nucleotide codes called ______
The three-letter codes are complementary
to ________
on ________
molecules. Each of these
molecules brings with it an amino acid, which will become part of the growing polypeptide.
Answers
Answer:
The correct answer is - mRNA, codons, anticodons, RNA.
Explanation:
During the translation process of protein synthesis, the mRNA strand is attached with the ribosome in order to translate the three-letter nucleotide sequence that is called codons or triplet code into specific amino acids.
These three-letter codes are complementary to the anticodons on the RNA (tRNA) molecules. These nucleic acid molecules with ribosomes bring with them an amino acid to make a polypeptide chain.
Mg(ClO3)2-> MgCl2+ 3O2
How many grams of magnesium chlorate would you need to produce 5.00 liters of oxygen?
Answers
Therefore, 5L of O2 at STP is equivalent to (1 mole/22.4 L) x 5 L = 0.2083 mol of O2
From the balanced equation, 3 moles of O2 are produced by heating 1 mole of Mg(ClO3)2
Therefore, 0.2083 mol of O2 is produced by (1/3) x 0.2083 = 0.0694 mol of Mg(ClO3)2.
Molar mass of Mg(ClO3)2 = 191.32 g/mol
Therefore, the mass of Mg(ClO3)2 required is 0.0694 mol x 191.32 g/mol = 13.28 g
Describe what animals do during
competition.
Answers
1. What must be true to have offspring with black fur?
2. What must be true to have offspring with white fur?
3. What must be true to have offspring with black eyes?
4. What must be true to have offspring with red eyes?
5. What must be true to have offspring with red eyes and white fur?
Answers
Answer: Genetics
Explanation: This may sound a little strange, but in order to have animals with certain traits, they must be born with or have in the blood line to have said traits. Even then the traits exhibited may not be hereditary. There is a 50% chance that the genetics that you want the offspring to have, may not occur. When a child is made, this means that the parents donate chromosomes from both sides to give the child some of their looks. This could mean disease, eye color, hair thickness.
Answer:
1) At least one dominant allele
2) Two recessive alleles
3) At least one dominant allele
4) Two recessive alleles
5) Pure recessive
Explanation:
teacher went through it with us so it’s right :)
3. If the plasma membrane wasn't selectively permeable, what would
happen to your cells when you took a shower? How would this affect
you? (3 points)
Answers
Answer:
Our body will swell.
Explanation:
If the plasma membrane wasn't selectively permeable, the cell will swell and burst due to high concentration of water go inside the cell. If the cell has no selectively permeable membrane, the flow of liquid is incontrollable both inside and outside of the cell. The cell maintain homeostasis due to the selective permeability of plasma membrane so if we took shower all the water go inside the cell and our body swells.
define what is holoendemic
Answers
Answer:
Explanation:
holoendemic [ holoendemic] endemic at a high level in a population, affecting most of the children and so affecting the adults in the population less often; see also hyperendemic.Holoendemic
Explanation: A holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population. HOPE THIS HELPS!
what are the human system
Answers
Answer:
The human system is a complicated living organism that is structured of internal and external organs and fluids. It has the heart, liver, kidneys, stomach, large and small intestines, brain, and skin.
Please help me with this to fill in the black correct answers. This is specifically anatomy and physiology science
1. The reproductive system has both endocrine and exocrine functions. The exocrine function is stimulated by this hormone produced in the anterior pituitary______ and produces this in the female _____.
2. The endocrine function is stimulated by this hormone in the anterior pituitary_____ and produces this in the female_____
3. The reproductive system has both endocrine and exocrine functions. The exocrine function is stimulated by this hormone produced in the anterior pituitary______ and produces this in the male____
4. The endocrine functions is stimulated by this hormone in the anterior pituitary _____ and produces this in the male_____
Answers
1. The exocrine function is stimulated by this hormone produced in the anterior pituitary: follicle-stimulating hormone (FSH), and produces ova (eggs) in the female.
2. The endocrine function is stimulated by this hormone in the anterior pituitary: luteinizing hormone (LH), and produces estrogen and progesterone in the female.
3. The exocrine function is stimulated by this hormone produced in the anterior pituitary: luteinizing hormone (LH), and produces sperm in the male.
4. The endocrine function is stimulated by this hormone in the anterior pituitary: follicle-stimulating hormone (FSH), and produces testosterone in the male.
1. The exocrine function of the reproductive system in females is stimulated by the hormone produced in the anterior pituitary called follicle-stimulating hormone (FSH), which promotes the production of ovarian follicles. The exocrine product in females refers to the release of eggs or oocytes from the ovaries during ovulation.
2. The endocrine function of the reproductive system in females is stimulated by the hormone luteinizing hormone (LH) produced in the anterior pituitary. LH triggers the release of estrogen and progesterone from the ovaries, which regulate the menstrual cycle, promote the development of the uterine lining, and prepare the body for pregnancy.
3. The exocrine function of the reproductive system in males is stimulated by the hormone produced in the anterior pituitary called luteinizing hormone (LH), which stimulates the production of testosterone in the testes. Testosterone is the primary male sex hormone and is responsible for the development of male reproductive organs and secondary sexual characteristics.
4. The endocrine function of the reproductive system in males is stimulated by the hormone follicle-stimulating hormone (FSH) produced in the anterior pituitary. FSH promotes the production of sperm cells (spermatogenesis) in the testes.
Overall, the reproductive system has both endocrine and exocrine functions, with the anterior pituitary gland playing a crucial role in regulating these functions through the production of specific hormones.
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[answers included, 100% on assignment]
1. Compared to today’s corn plant, teosinte:
✔ (c) is shorter and has more branches.
2. About how many genes were involved in producing the dramatic differences between teosinte and modern corn?
✔ (b) 5
3. he gene for which of the following traits changed early in teosinte domestication and caused dramatic changes?
✔ (a) kernel covering
Answers
Answer:
C
B
A
Explanation:
Which is a biotic factor?
Answers
Answer:
a living organism that shapes its environment
Explanation:
hope this helps
Which of the following is the name of a type of chromosomal mutation and a type of gene mutation?
A. Deletion
B. Inversion
C. substitution
Answers
Answer:
The name of a type of chromosomal mutation and a type of gene mutation is:
Deletion
A red blood cell leaving the left ventricle of the heart would take which pathway to reach the facial artery?
Answers
Answer:
Red blood cell arrives from the inferior vena cava into right atrium before it passes through the tricuspid valve into right ventricle. It then passes through the pulmonary valve into pulmonary artery before travelling through the lungs and back into the heart, this time the left atrium via the pulmonary vein.
Explanation:
hope this helps
The pathway of a red blood cell that leaves the left ventricle of the heart to reach the facial artery would be: Arch of Aorta > Brachiocephalic Trunk > Right Common Carotid Artery > Right External Carotid Artery > Right Facial Artery
The arch of the aorta can be considered as the peak of the ascending aorta.The brachiocephalic trunk refers to the second branch to arise from the aorta. The right common carotid artery arises as a branch of the brachiocephalic trunk of the aortic arch.The facial artery is a branch of the external carotid artery that supplies blood to the muscles and skin of the face.In conclusion, the pathway of a red blood cell that leaves the left ventricle of the heart to reach the facial artery would be: Arch of Aorta > Brachiocephalic Trunk > Right Common Carotid Artery > Right External Carotid Artery > Right Facial Artery.
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explain the important of insects
Answers
Facts about insects: Insects are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body, three pairs of jointed legs, compound eyes and one pair of antennae.
Which of the following is NOT a type of muscle?
Question 19 options: The answer is "LONG" the rest are muscles.
Cardiac
Skeletal
Long
Smooth
Answers
Answer:
Long is not a muscle
Explanation:
the 3 types of muscles are cardia skeletal smooth, have a great day
The answer is "Long." "Long" is not a type of muscle; it seems to be an incorrect option. The correct options for types of muscle are Cardiac, Skeletal, and Smooth.
These are the three main types of muscles found in the human body. Cardiac muscles are found in the heart, skeletal muscles are attached to the skeleton and enable voluntary movement, and smooth muscles are found in various organs and control involuntary movements.
Therefore, "Long" is not a recognized type of muscle and does not fit within the categories of cardiac, skeletal, or smooth muscles.
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Which of the following
options does not
describe any kind of
stem cell?
A cell that can only
give rise to one cell
type
A cell that can give
rise to many different
cell types
A cell that can give
rise to all cell types
Answers
Answer:
the first one.
I on accidentally erased the explanation thing. but stem cells such as pluripotent cells can rise to all cell types which means that since the first one is saying that stem cells can only give rise to one cell type is incorrect.
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
For the gene that codes for the complexion of cheeks, there are two traits:
rosy (k) and pale (r). A researcher finds a couple-one with rosy cheeks and the
other with pale cheeks-who have had sixteen children. If Mendel's percentages
hold true (think Punnett Squares), around how many of these children would you
suspect have pale cheeks if the parent with rosy cheeks is a heterozygote?
Answers
Eight of the sixteen children would be expected to have pale cheeks if the parent with rosy cheeks is a heterozygote.
Gene, the complexion of cheeks, and traits:Mendel's law of segregation states that when two parents with different traits mate, the traits of their offspring are determined by what genes they receive from each parent. In this scenario, the parent with rosy cheeks is a heterozygote, meaning that they possess two different alleles for the gene that codes for the complexion of cheek color.
This means that they have both the rosy (k) and pale (r) alleles. According to Mendel's law, each of their offspring has a 50% chance of receiving either the rosy (k) allele or the pale (r) allele from the parent with rosy cheeks. Therefore, if we assume that Mendel's percentages hold true, 8 of the 16 children would be expected to have pale cheeks, with the other 8 children having rosy cheeks.
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gaps in the spacings of orbital semi-major axes of asteroids in the asteroid belt, produced by dynamical resonances with nearby planets, especially Jupiter has been spotted and is engaging at the earth
what is this ?
Answers
The Kirkwood gaps may be seen in the main belt. A Kirkwood gap is a gap or dip in the distribution of semi-major axes in jupiter
what is jupiter ?
Jupiter is the most northern town in Palm Beach County, Florida, USA. The town has a population of 61,047 as of April 1, 2020, according to the 2020 Census. Jupiter is the northernmost town in the Miami metropolitan region, located 84 miles north of Miami and 15 miles north of West Palm Beach, and is home to 6,012,331 people, according to a 2015 Census Bureau estimate. Jupiter was chosen by Stacker Newsletter as the 9th Best Southern Beach Town to live in for 2022, the 12th Best Beach Town in the United States by WalletHub in 2018, and the 9th Happiest Seaside Town in the United States by Coastal Living in 2012.
The Kirkwood gaps may be seen in the main belt. A Kirkwood gap is a gap or dip in the distribution of semi-major axes (or, equivalently, orbital periods) of main-belt asteroids' orbits. They correspond to the sites of Jupiter's orbital resonances.
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Which of the following is an advantage of protecting entire ecosystems rather than individual species?
Answers
When we are talking of environmental protection, can be done in different ways, one protecting a target species, and other entire ecosystems. When it´s done on an entire ecosystem, there are a great number of benefits, among these, is the protection of the entire community of living organisms, as well as preservation of the ecosystem services. Therefore taking into account this information it may save many more species is a correct statement, is one of the multiple advantages of protecting an entire ecosystem.
blank is stored in a fossil fuel and released in the form of kinetic energy when burned
Answers
Answer:
Chemical energy.
Explanation:
Chemical energy is stored in a fossil fuel and released in the form of kinetic energy when burned
Hope this helps!
during dna replication, the dna double helix unwinds and break, forming two daughter strands. the dna polymerase enzyme attaches a new complementary strand to each daughter strand, and new form.
Answers
The start of DNA replication happens in two steps. First, a protein known as an initiator unwinds a short length of the DNA double helix.
Then, an enzyme called helicase attaches to and breaks the hydrogen bonds between the bases on the DNA strands, causing the two strands to separate.
The two strands of the DNA double helix uncoil at a precise place known as the origin during separation. Several enzymes and proteins then collaborate to prime the strands for duplication. Finally, a specific enzyme known as DNA polymerase organizes the formation of new DNA strands.
The replication of DNA is semiconservative. Each strand of the double helix serves as a template for the formation of a new, complimentary strand.
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a. Write a hypothesis and identify the variables you will test.
Answers
The hypothesis is; Increasing the concentration of fertilizer will lead to an increase in plant growth.
The variables to be tested are; concentration of fertilizer and plant growth.
What is a hypothesis?A hypothesis is a speculative claim or explanation put forth based on scant data and used as a springboard for additional research or trial. It is an educated guess or testable prediction regarding the correlation between two variables or phenomena.
By manipulating the concentration of fertilizer as the independent variable and measuring the resulting plant growth as the dependent variable, we can test the hypothesis and determine if there is a correlation between fertilizer concentration and plant growth.
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HELPPP PLEASEEEE
THE QUESTION IS IN THE PICTURE
A. DNA
B. Amino Acid
C. RNA
D. Polypeptide
Answers
The Nucleic acids that we have are DNA and RNA.
What are Nucleic acids?This question is incomplete but I will try to give you a general idea about the Nucleic acids.
Nucleic acids are large biomolecules that play a crucial role in the storage and transfer of genetic information in cells. There are two types of nucleic acids: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Both DNA and RNA are essential for the functioning of cells, and their structure and function have been studied extensively by scientists, leading to a greater understanding of genetics, evolution, and the molecular basis of life.
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The picture indicates the structure of RNA because it has URACIL.
What is RNA?Ribonucleic acid (RNA) is a nucleic acid that is present in all living cells that has similarities in structure to DNA. Unlike DNA, RNA is often single-stranded. An RNA molecule is made of alternating phosphate groups and sugar ribose, as compared to the deoxyribose that is found in DNA. Uracil is the nitrogenous base that is present in RNA.
It is made up of nucleotides which are ribose sugars that are attached to nitrogenous bases and phosphate groups. Nitrogenous bases such as adenine, guanine, uracil, and cytosine are present in them. RNA is mostly present in single-stranded, but there are special RNA viruses that have double-stranded.
So we can conclude that option C is the correct answer.
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