True or false? Intel and fossil evidence indicate that Africa and Brazil were once joined

Blue-green algae are photosynthetic prokaryotes, while fungi are eukaryotes that obtain nutrition through absorption.

Blue-green algae and fungi are both organisms, but they belong to different domains and have distinct characteristics. Blue-green algae, also known as cyanobacteria, are classified under the domain Bacteria, while fungi belong to the domain Eukarya.

Blue-green algae are prokaryotic organisms, lacking a true nucleus and membrane-bound organelles. They obtain energy through photosynthesis and are capable of converting sunlight into chemical energy. They typically inhabit aquatic environments, such as lakes, ponds, and oceans, and some species can fix atmospheric nitrogen.

On the other hand, fungi are eukaryotic organisms with a distinct nucleus and membrane-bound organelles. They obtain nutrition by absorbing organic matter from their surroundings. Fungi play crucial roles in decomposition and nutrient cycling in ecosystems. They can be found in various habitats, including soil, plants, and even as symbiotic partners with other organisms, such as in mycorrhizal associations.

In summary, the primary differences between blue-green algae and fungi lie in their cellular structure, mode of nutrition, and classification. While blue-green algae are photosynthetic prokaryotes, fungi are eukaryotes that obtain nutrition through absorption. Understanding these distinctions helps in appreciating the diversity and ecological significance of these two groups of organisms.

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Answer:

i would say zooologist

Explanation:

because it talks about animals

✅A zoologist✅

Myra is reading an article about the success of introduced species of animals into the United States.

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New technology is important to the development of theories because it provides a new way to acquire new information. With new technology, researchers can collect data in new and more precise ways, which can lead to new insights and discoveries. It can also allow for the testing of existing theories in new ways or under different conditions, leading to a better understanding of the phenomena being studied. However, the importance of technology in developing theories does not necessarily mean that it replaces old theories or allows for repeated experimentation on its own. Theories are typically developed through a combination of empirical evidence, experimentation, and theoretical modeling, and the role of technology is to provide new tools and methods for gathering and analyzing data.

Answer:To separate two or more liquids by distillation, you first heat them in a flask. The more volatile liquid (the liquid with the lower boiling point) will typically evaporate first and the vapor will pass into a ... the refluxing liquid can condense, re-evaporate, and condense again, essentially distilling the ...

Explanation:

Distilling a complicated idea into brief summary that gets right to the point relates with distillation in chemistry in that both requires breaking a complex idea/substance into smaller component pieces.

In chemistry, distillation is a technique used for separating a liquid mixture into its components by allowing each component to boil, evaporate off the mixture, and then allowed to condense.

Because the each component of a mixture has different boiling point, this attribute is applied in distillation. The mixture is placed in a distiller and heated. At their respective boiling temperature, each component evaporates off the mixture and condenses at a collection point by a cooling water.

This is what it means when a complicated idea is being asked to be distilled. Such idea is to be broken down into smaller, concise ideas that can easily be executed as part of the whole idea.

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Answer:

stage 1

Explanation:

just did it on a-p-e-x

NREM (non rapid eye movement ) is the stage of sleep comes before REM sleep.

Sleep stages are nothing but electrical wave activities in the brain. This wave movement is measured by an electroencephalogram (EEG). There are 2 main stages in our sleep such as REM and NREM.

The NREM is the first stage of the sleep cycle. It has 3 substages - N1, N2, N3 stages. In the N1 stage individuals feel sleepy, hallucinates. It is the light sleep stage and people can awake from this stage of sleep easily.

N2 stage is the next sleeping stage. In this stage, the electrical waves are more and called theta waves. Here, it is hard to awake. Sleep spindles, K - complex are found in this stage, which helps in a deep sleep.

REM or rapid eye movement is a deep sleep stage. It is also called paradoxical sleep. Here, the brain is more active and the body is paralyzed. During this stage a person dreams.

Therefore, NREM (non rapid eye movement ) is the stage of sleep comes before REM sleep.

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The potential sources of error can be eliminated by testing a fourth group in which participants do not get the dosage. The correct option is A.

Scientists can establish if the reported effects are indeed caused by the mineral supplement or whether they are the consequence of other variables by comparing the results of this group with those of the three groups receiving various dosages.

If the fourth group, which did not get the dosage, has the same outcomes as the other groups, it implies that the observed benefits may not be attributable to the drug but rather to other elements such as placebo effects, natural healing, or changes in the instances of the common cold itself. This extra control group contributes to the precision and dependability of the study's conclusions.

Thus, the ideal selection is option A.

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The primary processes that provide energy for all other life processes are cellular respiration and photosynthesis.

Cellular respiration is the process by which cells convert organic molecules, such as glucose, into usable energy in the form of adenosine triphosphate (ATP). It occurs in the mitochondria of eukaryotic cells and involves a series of enzymatic reactions that break down glucose and other molecules, releasing energy in the process.

Photosynthesis, on the other hand, is the process by which plants, algae, and some bacteria convert sunlight, water, and carbon dioxide into glucose and oxygen. This process occurs in the chloroplasts of plant cells, specifically in the chlorophyll-containing structures called thylakoids. During photosynthesis, light energy is captured by chlorophyll molecules, which drives the synthesis of glucose through a series of complex reactions.

Together, these two processes form a cycle of energy flow in ecosystems. Photosynthesis captures energy from the sun and converts it into chemical energy in the form of glucose, which is then used by organisms in cellular respiration to generate ATP, the energy currency of cells. This ATP is subsequently used for various life processes such as growth, reproduction, movement, and maintenance of cellular functions.

In summary, cellular respiration and photosynthesis are the fundamental processes that provide the majority of energy for all other life processes, sustaining the functioning and survival of organisms in ecosystems.

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Answer:

clouds actually have a big effect on weather rain storms tornadoes

Answer:

clouds  can block light and heat from the sun, making earth's temperature cooler u have probably noticed this kind of cool down on a cloudy day depending on their altitude, attitude(lol), structure and composition they will regulate energy differently

Answer: 4.25%

Explanation:

As at Friday, May 28, 2021, the population of the United States of America is about 332,754,370. The population of the world is about 7,868,904,000.

Therefore, the percentage of the global population lives in the United States is about 4.25% that's 332,754,370/7,868,904,000 × 100%.

Answer:

The producers will increase

Explanation:

Moose eat producers like grass and leaves, so If there are more moose, more producers will be eaten. If there are less moose, less producers will be eaten, there will be more producers.

Answer:

your answer would be It would increase due to the decrease number of moose eating them.

Explanation:

Just thank me late. Be safe, it's rough out here. Corona is no joke.

Answer:

No

Explanation:

A knife is not a biotic factor because a biotic factor is a living organism that  shapes its enviroment.

Answer:

no

Explanation:

Cells in the dermis produce pigments that protect the skin from harmful ultraviolet radiation, this is the false statement concerning the skin's role in protection.

Epidermis is made up of thin cell, it has epithelial cells which are flat.

dermis is the middle layer and also thickest layer of the skin, it has no role in protection like epidermis, located under epidermis and above hypodermis.

it has functions like supporting the epidermis, produces sweat and hair and feeling for different sensation, keeping the skin moist and etc.

Dermis has 2 layers. reticulate dermis and papillary dermis

dermis is made up of collagen fibres, blood vessels, fluids, elastin etc

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Answer:

1. The mitochondria are responsible for producing energy in the form of ATP through cellular respiration.

2. Prokaryotic cells are smaller and do not have a nucleus or membrane-bound organelles, while eukaryotic cells are larger and have a nucleus and membrane-bound organelles.

3. Ribosomes are responsible for synthesizing proteins in the cell.

4. The endoplasmic reticulum is responsible for protein and lipid synthesis and transport within the cell.

5. Plant cells have cell walls, chloroplasts, and larger vacuoles, while animal cells do not have cell walls, chloroplasts, or large vacuoles.

6. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport within the cell or for secretion outside the cell.

7. Lysosomes are responsible for breaking down and digesting waste materials and cellular debris within the cell.

8. The cytoskeleton is responsible for maintaining cell shape, providing support and structure, and facilitating cell movement and division.

9. Passive transport does not require energy and involves the movement of molecules from an area of high concentration to an area of low concentration, while active transport requires energy and involves the movement of molecules from an area of low concentration to an area of high concentration.

10. Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of high water concentration to an area of low water concentration.

I hope these answers are helpful! Let me know if you have any more questions.

Answer:

1. The function of mitochondria in a cell is to produce energy in the form of ATP through cellular respiration. Mitochondria are also involved in other cellular processes such as apoptosis (programmed cell death), calcium signaling, and lipid metabolism.

2. Prokaryotic cells are smaller and simpler in structure than eukaryotic cells. Prokaryotic cells lack a nucleus and other membrane-bound organelles, while eukaryotic cells have a nucleus and various membrane-bound organelles.

3. Ribosomes are responsible for protein synthesis in a cell. They read the genetic code stored in messenger RNA (mRNA) and use it as a template to link amino acids together in the correct order to form a protein chain.

4. The endoplasmic reticulum (ER) is involved in protein synthesis, folding, and modification. It is also involved in lipid synthesis, calcium storage, and detoxification of drugs and toxins.

5. Plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells lack these structures. Additionally, plant cells are typically larger than animal cells.

6. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport to their final destinations. It consists of a series of flattened sacs called cisternae.

7. Lysosomes are involved in the breakdown of cellular waste and debris, as well as the degradation of damaged or unneeded cellular components. They contain enzymes that can break down various biomolecules such as proteins, lipids, and nucleic acids.

8. The cytoskeleton is a network of protein fibers that provides structural support to the cell, helps maintain cell shape, and enables cell movement and division. It is made up of three main types of fibers: microfilaments, intermediate filaments, and microtubules.

9. Passive transport is the movement of molecules across a cell membrane without the input of energy, while active transport requires the input of energy to move molecules against their concentration gradient. Passive transport includes diffusion, osmosis, and facilitated diffusion, while active transport includes primary and secondary active transport.

10. Osmosis is the diffusion of water across a selectively permeable membrane from an area of high water concentration (low solute concentration) to an area of low water concentration (high solute concentration). It is a type of passive transport and is important for maintaining the water balance in cells.

Hope this helps!

Answer: B. Producers

Explanation:

Answer:

B. producers

Explanation:

i'm pretty sure because i've had it on a test before and decomposers are off to the side, but producers are on the bottom. it could possibly be decomposers based on which charts you use since some put decomposers on the bottom, but most are producers

Dense regular connective tissue is composed of densely packed collagen fibers and is found in ligaments and tendons, providing strength and stability.

Tissue, in physiology, a level of the organisation in the  multicellular organism; it consist of a groupsof structurally and functionally similarity cells and theirs intercellular materials.
Exocrine glands secrete substances thryough ducts onto your the bodily surfaces.

Column A
Areolar
Adipose
Reticular
Dense Regular
Column B
Skin: Areolar
Fat Tissue: Adipose
Ligaments: Dense Regular
Bone Marrow: Reticular

Connective tissue is a type of tissue found throughout the body that provides support, structure and connection for cells and organs. It is made up of several different types of tissue, which are classified according to their structure and function. Areolar tissue is found in the skin and is composed of loosely woven collagen and elastin fibers, which gives it a soft, spongy texture. Adipose tissue is composed of cells that store energy in the form of fat and provides insulation and cushioning. Reticular tissue is found in the bone marrow and is composed of networks of thin fibers that form a supportive framework. Dense regular connective tissue is composed of densely packed collagen fibers and is found in ligaments and tendons, providing strength and stability.

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Answer:

C. Biotic and abiotic

Explanation:

Biotic factors, which are all living things, are found in all ecosystems. Abiotic factors, which are all non-living things, are found in all ecosystems.

Answer:

Lysosome

Explanation:

Answer:

The Milky Way

Explanation:

The Milky Way not only contains mass and time but it contains all of the solar systems, dust, maybe a black hole, and a lot of stars which is matter. Milky Way is a galaxy in a universe that contains a lot of planets it also contains mass and time.

It hasn't been confirmed nor denied but it is known that the milky way contains dark matter which is another type of matter and mass.

Hope this helped :)  

Answer:

The Universe

Explanation:

just got done with the quiz

Answer:

Advection by ocean currents modifies phytoplankton size structure at small scales (1–10 cm) by aggregating cells in different regions of the flow depending on their size. This effect is caused by the inertia of the cells relative to the displaced fluid

Answer: a

Explanation:

Answer:

your answer would be C.Streak is tested by scraping a mineral across a streak plate.

Explanation:

Hope this helps have a great day

Answer:

c

Explanation:

edge

Answer:

Homologous chromosomes are NOT identical.

Explanation:

They contain slight differences in their genetic information, allowing each gamete to have a unique genetic makeup. Consider that the homologous chromosomes of a sexually reproducing organism are originally inherited as two separate sets, one from each parent.   Hope this helps :)

Types of drugs and their impact on sports performance:

Anabolic Steroids: Anabolic steroids are synthetic hormones that mimic the effects of testosterone, which is responsible for muscle growth and repair. The use of anabolic steroids increases muscle mass, strength, and endurance. They are commonly used in sports such as weightlifting, bodybuilding, and sprinting.

Stimulants: Stimulants such as caffeine, amphetamines, and cocaine can enhance performance by increasing alertness, reducing fatigue, and improving reaction time. They are commonly used in sports such as cycling, endurance running, and sprinting.

Human Growth Hormone (HGH): HGH is a hormone that stimulates cell growth and regeneration. It is used to increase muscle mass, strength, and endurance. HGH is commonly used in sports such as weightlifting, bodybuilding, and sprinting.

Erythropoietin (EPO): EPO is a hormone that stimulates the production of red blood cells, which carry oxygen to the muscles. It is used to increase endurance by improving oxygen delivery to the muscles. EPO is commonly used in sports such as cycling, distance running, and cross-country skiing.

Impact of performance-enhancing drugs on performance in different sports:

Anabolic Steroids: Anabolic steroids can have a significant impact on performance in weightlifting and bodybuilding by increasing muscle mass and strength. They can also improve sprinting performance by increasing power and speed.

Stimulants: Stimulants can improve performance in endurance sports such as cycling and long-distance running by reducing fatigue and improving reaction time. They can also improve sprinting performance by increasing alertness and reaction time.

Human Growth Hormone (HGH): HGH can have a significant impact on performance in weightlifting and bodybuilding by increasing muscle mass and strength. It can also improve sprinting performance by increasing power and speed.

Erythropoietin (EPO): EPO can improve performance in endurance sports such as cycling and distance running by increasing the number of red blood cells, which improves oxygen delivery to the muscles. It can also improve performance in cross-country skiing by increasing endurance.

Reasons for using performance-enhancing drugs in sport:

Competitive pressure: Athletes may feel pressure to win at all costs, and may resort to using performance-enhancing drugs to gain a competitive edge.

Financial gain: Some athletes may see the use of performance-enhancing drugs as a way to earn more money by winning competitions and endorsements.

Desire for fame and recognition: Athletes may use performance-enhancing drugs to achieve fame and recognition in their sport.

Self-esteem issues: Some athletes may use performance-enhancing drugs to improve their self-esteem and body image.

Injury recovery: Athletes may use performance-enhancing drugs to speed up their recovery from injuries and get back to competition faster.

Lack of knowledge or education: Some athletes may not fully understand the risks associated with using performance-enhancing drugs, or may not be aware that they are using them.

Answer:

Habituation is defined as a decrement in response as a result of repeated stimulation not due to peripheral processes like receptor adaptation or muscular fatigue. It is a process occurring within the nervous system (in animals with nervous systems).

Answer:

25

Explanation:

24x25$+#-##+$($$frjre

well the adults have sex and then make a family tree

Answer:

two

At the beginning of the S stage, each chromosome is composed of one coiled DNA double helix molecule, which is called a chromatid. At the end of this stage, each chromosome has two identical DNA double helix molecules, and therefore is composed of two sister chromatids.

Answer:

The Datog has the traditionally higher-starch diet.

Explanation:

The Datog has traditionally consume higher-starch diet than the Hadza. The people of Hadza tribe take their food from the forest including berries, fiber-rich tubers, honey and meat etc. They search the forest in order to obtain food for themselves and their families while the Datog people obtain food by planting starch rich crops such as maize, beans and millet. so we can say that the Datog people consume higher-starch diet.

Cytogenetics plays a crucial role in the study and development of new plants. Here are some of the key roles of cytogenetics in relation to new plants:

1. Chromosome analysis: Cytogenetics involves the study of chromosomes, their structure, behavior, and organization within cells. This analysis helps in identifying and characterizing the genetic makeup of plants, including the number and arrangement of chromosomes. It provides valuable information for plant breeding and genetic improvement programs.

2. Polyploidy induction: Cytogenetics is used to induce and study polyploidy in plants, which involves increasing the number of sets of chromosomes in a plant's genome. Polyploidy can lead to significant changes in plant characteristics, such as increased vigor, larger size, and improved disease resistance. Cytogenetic techniques help in inducing and stabilizing polyploidy in new plant varieties.

3. Genetic mapping: Cytogenetics contributes to genetic mapping, which involves determining the positions of genes on chromosomes. By identifying and mapping genes responsible for specific traits, cytogenetics helps in understanding the genetic basis of plant traits and facilitates targeted breeding efforts for developing new plant varieties with desirable traits.

4. Hybridization and introgression: Cytogenetic techniques, such as chromosome doubling and embryo rescue, are employed in plant hybridization and introgression programs. Hybridization involves crossing different plant varieties or species to combine desirable traits, while introgression involves transferring specific genes from one plant species to another. Cytogenetics aids in analyzing and ensuring the stability and compatibility of hybrid or introgressed plants.

5. Chromosomal abnormalities and mutation breeding: Cytogenetics plays a role in studying chromosomal abnormalities and mutations in plants. It helps in identifying genetic variations and abnormalities that may lead to novel plant traits or contribute to genetic disorders. This knowledge is utilized in mutation breeding programs, where plants with desired mutations are selected and bred to develop new plant varieties.

Overall, cytogenetics provides essential tools and knowledge for understanding the genetic makeup, variation, and inheritance in plants. It contributes to plant breeding programs, genetic improvement efforts, and the development of new plant varieties with improved characteristics.