in ecosystems, the flow of ______________ is one-way, while _________________ are constantly cycled.
Answers
Related Questions
What examples show repair or replacement of damaged cells.
Answers
The examples provided, a, b, and c, all demonstrate different mechanisms of repair or replacement of damaged cells in the body.
a. A scrape being healed: When you experience a scrape or a minor injury, the body initiates a healing process. Specialized cells called platelets form a clot to stop bleeding, and immune cells migrate to the site of injury to clean it up and prevent infection. Fibroblasts then produce collagen, a protein that forms the framework for new tissue growth. New blood vessels, called capillaries, form to bring oxygen and nutrients to the healing area.
Over time, new skin cells, or epithelial cells, multiply and migrate to cover the wound, eventually closing it completely. This process is known as epithelialization and is an example of cell replacement.
b. Scars forming where a cut once belonged: In some cases, when the injury is deeper or more severe, the body's repair mechanism involves the formation of scar tissue. Scar tissue is composed of collagen fibers that help bridge the gap left by the injury.
While scar tissue is not identical to the original tissue, it provides a functional substitute, helping to restore the structural integrity of the damaged area. Scarring occurs when the body's healing response goes beyond the normal repair process and produces excess collagen.
c. Skin flaking off your arm in the winter: The shedding or flaking of skin is a natural process called desquamation. It involves the removal of dead skin cells from the outermost layer of the epidermis. Skin cells have a lifespan and constantly undergo a cycle of renewal.
New skin cells are generated at the bottom layer of the epidermis and gradually move upward as they mature. As they reach the surface, they become flattened, lose their nuclei, and eventually slough off. This shedding helps to remove old and damaged cells and allows for the replacement of fresh, healthy cells.
In summary, a scrape being healed involves the replacement of damaged cells through a series of processes, while scars forming indicate the formation of collagen-rich tissue to repair deeper injuries. Skin flaking off represents the natural shedding of dead skin cells and the continuous renewal of the epidermis.
These examples illustrate different ways in which the body repairs or replaces damaged cells to maintain its overall health and functionality.
Know more about epidermis here:
https://brainly.com/question/13450121
#SPJ8
The Question was Incomplete, Find the full content below :
Which examples show repair or replacement of damaged cells? a. A scrape being healed. b. Scars forming where a cut once belonged. c. Skin flaking off your arm in the winter.
NEED HELP ASAPPPPPP PLSSSSS :(((
Answers
Answer:
it is not a life form because it has no cells. The basic building blocks of life is cells so without cells it its not a living organism.
Explanation:
:)
What is the relationship between prokaryotes and eukaryotes according to the endosymbiotic theory?
Answers
The endosymbiotic theory proposes that the first eukaryotic cells originated via symbiotic interactions between two or more prokaryotic cells. The bigger prokaryotic cells attacked or devoured the smaller ones.
What is endosymbiotic theory?The dominant theory explaining how eukaryotic cells first emerged from prokaryotic organisms is called symbiogenesis. According to the endosymbiotic theory, free-living prokaryotes are thought to have developed into some eukaryotic cell organelles including mitochondria and plastids. According to the information at hand, the eukaryotic cell's evolution was started by mitochondrial endosymbiosis, contrary to Margulis' hypothesis. According to the endosymbiotic theory, the earliest plant cells were formed when early eukaryotic cells acquired photosynthetic bacteria (via endocytosis). Several important characteristics can be used as evidence to show that these organelles have extracellular origins. (Bound by a second membrane) Membranes Resistance to antibiotics Division (replication strategy)To learn more about endosymbiotic theory, refer to:
https://brainly.com/question/13837973
Which structure is part of dermal tissue in plants?
OA. A root
OB. The root system
OC. Vascular tissue
OD. A root hair cell
Answers
Answer:
OC. the vascular tissue
Where does fermentation occur.
Answers
Fermentation reactions occur in the cytoplasm of both prokaryotic and eukaryotic cells
Find the slope of the line shown on the graph to the right.
Answers
Answer:
2
Explanation:
Find the slope by counting rise/run from (-2,-6) to (1,0). 6/3 = 2.
what does sexual selection mean
Answers
Answer:
natural selection arising through preference by one sex for certain characteristics in individuals of the other sex.
Explanation:
Which statement best describes the growth of the dandelions?
A. Linear growth occurs because the field provides abundant but limited resources during the summer.
B. Logistic growth occurs because the field provides unlimited resources during the summer.
C. Exponential growth occurs because the field provides unlimited resources during the summer.
D. Fluctuating growth patterns occur because the population reached the carrying capacity of the field during the summer.
Answers
Answer:
C: Exponential growth occurs because the field provides unlimited resources during the summer.
Explanation:
I just took the test rn on Savvas and got 100%.
Trey wrote a few steps to describe how carbon circulates between the atmosphere and living organisms.
Step 1. Carbon enters the atmosphere as carbon dioxide from respiration and the burning of fossil fuels.
Step 2. Plants absorb carbon dioxide in the air and use it to make their own food using photosynthesis.
Step 3. Plant-eating animals consume the carbon stored in plants.
If step 2 is removed, which statement best describes the effects of this missing step on the carbon cycle?
(A) Less carbon is stored in the ground for long-term storage.
(A) There is a decrease in the amount of carbon stored in the air.
(A) More carbon is stored in plants instead of the air.
(A) Animals consume foods without stored carbon.
Answers
Answer:
There is a decrease in the amount of carbon dioxide stored in the air.
Explanation:
because plant Will use carbon dioxide for photosynthesis that could be excess in the air.
how do glucosinolates provide a defense for plants?
Answers
Answer:
1. Deterrent to herbivores: Glucosinolates have a powerful, bitter taste that can serve to dissuade herbivores from consuming the plant.
2. Antibacterial qualities: Glucosinolates contain antimicrobial qualities that can shield the plant from pathogenic viruses, fungi, and bacteria.
3. Initiate a plant defense response: When a herbivore consumes a plant containing glucosinolates, the breakdown of the compound releases toxic isothiocyanates, which can start a plant defense response that results in the release of secondary metabolites and an increase in pathogenesis-related proteins.
4. Pesticide action: Glucosinolates are also capable of having a pesticidal effect on a variety of insect pests and fungus infections, making them a potent natural defensive mechanism for the plant.
To learn more about Glucosinolates visit: https://brainly.com/question/25100854
Inherited disease can be caused by damage to DNA caused by _________.
DNA Polymerase
B. Okazaki fragments
C. ozone
D. radiation
Answers
Inherited disease can be caused by damage to DNA caused by radiation (option D).
What is mutation?Mutation is any heritable change of the base-pair sequence of genetic material.
Mutation is a gradual change in the genetic sequence of a nucleic acid that can occur through the following ways;
Replication errors RadiationMutagensRadiation is the process of radiating waves or particles like X-ray, electron particles.
Therefore, inherited disease can be caused by damage to DNA caused by radiation.
Learn more about radiation at: https://brainly.com/question/4072364
#SPJ1
hich of the following is true about the placenta? it encases the developing embryo within a fluid-filled membrane, giving the embryo room to move. it helps combat internal infection and gives the unborn child immunity to various diseases. it contains only maternal tissue. it is connected to the embryo by the fallopian tube.
Answers
The given statement about placenta “It helps combat internal infection and gives the unborn child immunity to various diseases.” is true, because the placenta is the path by which maternal antibodies reach their offspring.
During pregnancy, the uterus becomes the site of the development of a new organ known as the placenta. A developing newborn receives oxygen and nutrients from this structure. It also cleans the baby's blood of waste materials. The baby's umbilical cord grows from the placenta, which is attached to the uterus' wall throughout pregnancy.
The primary role of the placenta is to facilitate the diffusion of nutrients and oxygen from the blood of the mother to the blood of the developing fetus through the chorion, as well as the diffusion of waste products from the fetus into the blood of the mother.
To learn more about placenta, click here:
https://brainly.com/question/14085236
#SPJ4
1. Based on the model shown at the right, what organisms should have the smallest population numbers in an ecosystem?
2. Based on the model to the right, why is the producer level the largest level?
Answers
Answer: 1. Tertiary consumers.
2. (Quoting from study.com) "There are many more producers in a food chain than consumers or decomposers because only 10% of the energy from each energy level is passed on to the next energy level."
(Quoting from byjus.com)"As producers form the base of the energy pyramid, they are generally the largest population. And since energy is lost at each trophic level as heat, the pyramid tapers, indicating a reduction is biomass and hence numbers as you go up the levels."
This is based from what I see in the picture, so I don't know whether these are acceptable answers or not. Hope it helps though.
Why is it important to warm up your muscles before a work out
Answers
Help please I’ll give brainly
Answers
What is 1 example of our everyday life where we use the scientific method? Help Pls.
Answers
Answer:driving in traffic/directions
Explanation: you look at gps, decide which route you want to take, choose 1 route and decide if you believe it was the best or try others till you find one you think is best route
Caicium Absorption A variety of factors can inhibit or enhance calcium absorption. Indicate whether each situation increases or decreases calcium absorption by dragging it to the appropriate column Infancy Eating vitamin D-enriched foods n spinach Being over 70 years old Having a high-fiber diet rich in phytic acid Increases calcium absorption Decreases calcium absorption Eating vitamin D-enriched foods
Answers
Eating Vitamin D enriched foods, Infancy , pregnancy increases calcium absorption.
Oxalic acid in spinach, Having a high fiber diet rich in phytic acid, being over 70 years old can decrease calcium absorption.
Why is Calcium absorption important?
It's crucial to have enough calcium in the blood that carries nutrients to the bones in order to avoid the loss of bone mass. Although milk and other dairy products are a great source of calcium, as we become older, our bodies require more calcium. Because many people stop consuming calcium-rich foods or beverages, like whole milk, due to dietary concerns, a calcium-rich dietary supplement is crucial. A daily calcium requirement of 1,200 mg is necessary for older persons.
To know more about calcium, click here
https://brainly.com/question/26636816
#SPJ4
Identify the structures on the plasma membrane diagram.
3
Nonpolar ils
Polar heads
Phospholipid
bilayer
Cholesterol
Transport
proteins
Carbohydrate
chains
The Plasma Membrane
4
S
1
OOO O
2
O
3
OOOO
2
6
4
OO
O
5
O
O
Answers
Answer:
Explanation:
umm no idea bro !!!
select all the correct answers. looking at the phylogenetic tree, which three statements can you make about the interconnectedness of the species a, b, c, d, and e? species a and c may have shared features from a common ancestor. species c is more related to species d than species d is related to species e. species b and c are more closely related than species c and d. species b and e may have shared features from a common ancestor. species a is more related to species b than species b is related to species c.
Answers
The correct answer is Species A and C may have shared feature.
What is Phylogenetic tree?
It is described as a diagrammatic portrayal of the relationships between living things in terms of evolution. This schematic illustration shows how several species developed from a number of shared ancestors.
The two-dimensional graph that depicts the evolutionary link between an organism and several other organisms is known as a phylogenetic tree.
The "Tree of Life" or "Dendrogram" are other names for the evolutionary tree. An old theory of a ladder-like evolution from weak to strong forms of life gave rise to the concept of a phylogenetic tree. The word "phylogeny" or "phylogenetic," which refers to race, origin, or lineage, is derived from an ancient Greek word.
Learn more about Phylogenetic tree from given link
https://brainly.com/question/2189834
#SPJ4
any four different between ecology and ecosystem? please help me to do this.
Answers
Explanation:
Ecology is the study of the relationship between living organisms and their environment. An ecosystem is a place, such as a rotting log, a forest, or even a schoolyard, where interactions between living and non-living things occur.
Answer:
Ecology is the study of the relationship between living organisms and their environment. An ecosystem is a place, such as a rotting log, a forest, or even a schoolyard, where interactions between living and non-living things occur.
Should the Indominus Rex have been created? Why or why not?
Answers
Answer:
aa
Explanation:
i don't no the answer
1.What is the Independent Variable?
5 points
Connor and Miguel want to investigate if the type of
fertilizer changes the color of their hydrangea flowers.
They select 10 hydrangea bushes and plant them in the
same yard with the same type of soil. Every bush gets 3
cups of fertilizer, but each receiving a different brand.
One bush gets no fertilizer. All bushes receive morning
sunlight and no afternoon sunlight. All bushes are watered
the same amount every other morning. After four weeks,
the boys observe the color of the blooms on each bush.
the bush
the soil
the fertilizer
the color of the plants
Answers
Answer:
the type of fertilizer
Explanation:
because independent variable is something that effects that the whole outcome of the experiment and here the type of fertilizer chosen is going to be the thing that is going to effect the ending result
describe the sequence of mitotic cell cycle for one pair of chromosome that is undergoing normal mitotic division.
Answers
The mitotic cell cycle for one pair of chromosomes undergoing normal mitotic division consists of four main stages: prophase, metaphase, anaphase, and telophase.
During normal mitotic division, the cell cycle progresses through various stages to ensure accurate and successful cell division. The first stage is prophase, where the chromosomes condense, becoming visible as distinct structures. The nuclear membrane disintegrates, and the spindle apparatus begins to form.
Next is metaphase, during which the condensed chromosomes align along the equator of the cell. The spindle fibers attach to the centromeres of each chromosome, ensuring their proper alignment.
Anaphase follows metaphase, where the spindle fibers contract, causing the sister chromatids to separate. The separated chromatids are pulled towards opposite poles of the cell.
Lastly, in telophase, the separated chromatids reach the opposite ends of the cell. The nuclear membrane reforms around each set of chromosomes, and the chromosomes begin to decondense. Cytokinesis, the physical division of the cell, typically overlaps with telophase, resulting in two daughter cells with identical genetic material.
This sequence of events ensures the proper division and distribution of genetic material, allowing for the formation of two genetically identical daughter cells.
Learn more about mitotic cell cycle here:
https://brainly.com/question/29315477
#SPJ11
1.0 mL of water has a mass of 1.0 g when frozen 1.0 mL of water expands into a1.1 cm^3 piece of ice what is the density of the ice
Answers
Explanation:
Density=
\( \: density = \frac{mass}{volume} \)
\( = \frac{1}{1.1} \\ = 0.91 {gcm}^{ - 3} \)
For each of the following, 1. identify whether is is nonexcludable, nonrival, neither, or both and briefly explain your answer. and 2. determine which one or more of the following (a, b, c, d) would suffer from the free rider problem. Make sure to fully explain your answers:
a. The Great Smoky Mountains National Park (covers over 800 square miles, has dozens of access points for hiking trails located along public roads and highways).
b. a playground at a local park, such as Luetta Moore Park in Statesboro, GA (if you aren't familiar with Statesboro - it's an open playground in a residential area, there's a fence around part of it, but there's no gate/fence doesn't close)
c. National defense
d. A subway train
Answers
a. The Great Smoky Mountains National Park: Nonexcludable and rivalrous. Free rider problem likely.
b. Luetta Moore Park playground: Nonexcludable. No free rider problem.
c. National defense: Nonexcludable and nonrivalrous. Free rider problem exists.
d. Subway train: Nonexcludable. Free rider problem possible during peak hours.
a. The Great Smoky Mountains National Park: It is nonexcludable because it is difficult to prevent individuals from accessing the park. However, it is rivalrous as the park's resources, such as campsites or parking spaces, can be depleted. Both nonexcludability and rivalry suggest that the park is both nonexcludable and rivalrous. The free rider problem may occur since people can enjoy the benefits of the park without paying for its maintenance or preservation.
b. Playground at Luetta Moore Park: The playground is nonexcludable since it is difficult to prevent people from using it. However, it is nonrival as one person's use does not diminish the usability of the playground for others. Therefore, it is only nonexcludable. The free rider problem may not apply here since the use of the playground does not impose costs on others.
c. National defense: National defense is both nonexcludable and nonrival. It is nonexcludable because it is challenging to exclude individuals from benefiting from defense. It is nonrival because the defense provided to one person does not diminish the defense available to others. Both characteristics make national defense both nonexcludable and nonrival. The free rider problem is prevalent in national defense since individuals can benefit from defense without incurring the costs associated with it.
d. Subway train: A subway train is nonexcludable since it is difficult to prevent individuals from using it. However, it can be rivalrous during peak hours when overcrowding may limit the available space. Therefore, a subway train is only nonexcludable. The free rider problem may not be significant here as long as there are no capacity constraints or overcrowding issues.
To learn more about Mountains follow the link:
https://brainly.com/question/32470910
#SPJ4
hypothesis of coronavirus easy for kids
Answers
Answer:
If somebody gets within 6 feet of somebody that's infected, then the person will likely get infected
Explanation:
The hypothesis includes if and then, that makes it count as a hypothesis
brain dopamine levels are important in all of these except __________.
Answers
Brain dopamine levels are important in all of these except Huntington's disease. The functional capacities of a person are significantly impacted by Huntington's diseases.
Huntington's disease initial signs and symptoms significantly include: trouble focusing, memory lapses, sadness, which includes poor mood, a lack of interest in activities, and feelings of hopelessness, as well as tripping and clumsiness. With time, Huntington's disease impacted certain areas of the brain's functionality. It is something that a person inherits from their parents. After a period of up to 20 years, it typically becomes fatal as a result of a slow progression.
To learn more about Huntington's disease, click here:
https://brainly.com/question/12572808
#SPJ4
research suggests that greater species richness enhances ________ in an ecosystem.
Answers
Research suggests that greater species richness enhances resilience in an ecosystem. Maintaining high levels of species richness is important for promoting the long-term sustainability and resilience of ecosystems.
Ecosystem resilience refers to the ability of an ecosystem to resist or recover from disturbances such as natural disasters or human activities. Studies have shown that ecosystems with higher species richness have more stable and resilient ecological communities. This is because different species have different ecological roles and functions, and the loss of one species can have a cascading effect on the entire ecosystem.
When there are more species present, there is a greater chance that other species can step in and fill the gaps left by the loss of a particular species. Additionally, a diverse array of species can also provide more services and functions to the ecosystem, such as nutrient cycling and pollination, which can enhance overall ecosystem resilience. Therefore, maintaining high levels of species richness is important for promoting the long-term sustainability and resilience of ecosystems.
Learn more about ecosystem here:
https://brainly.com/question/13979184
#SPJ11
whats the order from biggest to smallest ecosystem,population,community,organism
Answers
Answer:
Ecosystem, community, population, Organism
Explanation:
Organism is a single species
Population is a group of the same species
Community is a group of different populations
Ecosystem is where communities live
I hope this helps...
Please mark me brainliest ♥️
Have a nice day<3
How do endothermic organisms make use of the excess heat generated during metabolic processes?
Answers
The endothermic organisms use the excess heat which is generated during the process of metabolism and dissipate through radiative and evaporative cooling.
Endotherms or the endothermic organisms are able to change the production of the metabolic heat in order to maintain the temperature of their by using both shivering as well as the non-shivering thermogenesis. Endotherms have a number of ways by which they are able to increase the metabolic heat production which is known as thermogenesis, in response to colder environments.
Whereas during normal circumstances, the excess amount of heat energy is dissipated by the help of radiative, evaporative, conductive, or convective cooling.
To know more about endothermic organisms
https://brainly.com/question/15444359
#SPJ1