Part A which statement is correct regarding changes in populations?- both mutations and natural selections are both random- mutations are not random but natural selection is-neither mutations nor natural selections are not random-mutations are random but natural selection is notPart B read the statements about evolution below which is true??-Evolution happens over a short period of time to all individuals-Evolution can be fast or slow and causes populations to adapt to different environment by choice-A volution is a slow process where the population changes over time-Evolution is a slow change where the individual choose to make changesPart C which statement belong shows an example of fitness in The rocket pocket mouse poputation-The dark my stand out from the light background-The dark mice are better at hiding-There are fewer light mice on the black surface overtime-The light mice had a mutation that made dark micePart D hello natural selection, the species that are most likely to survive are pick an answer better at camouflagebetter trainedbetter at avoiding predatorsbetter adaptedPart E what does allele frequency tell you about a population-The number of alleles each individual has-The number of different individuals in a populationThe number of different alleles in a population The number of different genes in a populationPart F individual organism can adaptTrue, But it has to increase their fitnesssometimes, it depends on where they are located if the adoption is helpful or notfalse, only a population can adaptPart G is dark– Colored for an adaptation for the rocket pocket mice? no, it makes them stand out on the light surface decreasing their fitnessyes they can choose to be dark colored on the black surface which increases their fitnessyes, they blend in with the black background increasing their fitnessno, they don’t blend in with all surfaces and are not adapted to both environments

Answer: D

Explanation: Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat.

Answer:

B

Explanation:

This is because the stomach releases HCL acid which activates the inactive enzymes pro-renin, which is found in soluble milk for mammals, and pepsinogen which breaks down proteins into polypeptides hence, the beginning of protein digestion

The earliest (oldest) fossils that could be found in the surface bedrock of the Allegheny Plateau, as indicated on the ESRT (Earth Science Reference Tables) on pages 2-3, would be the fossils from the Ordovician Period.

Among the options provided, the fossil that belongs to the Ordovician Period is D. Phacops.

Phacops is a genus of trilobite, which is an extinct group of marine arthropods that lived during the Paleozoic Era. Trilobites, including Phacops, existed from the Early Cambrian to the end of the Permian Period, but Phacops specifically belong to the Ordovician Period.

Therefore, D. Phacops would be the earliest (oldest) fossil from the given options that could be found in the surface bedrock of the Allegheny Plateau.

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Answer:

1 red, 2 pink, 1 white

The minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter Mercury does not have any known rings the correct combination is "Jupiter, Mars, Saturn" when referring to planets that have rings.

Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."

Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.

Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.

Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."

While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.

This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.

Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.

Saturn's rings are one of the most iconic features in our solar system and are visible even from small telescopes.

The other options listed do not accurately represent planets with ring systems:

Mars, Jupiter, Mercury: While Jupiter is included, neither Mars nor Mercury have prominent ring systems.

Mars has the minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter. Mercury does not have any known rings.

Mercury, Mars, Venus: None of these three planets have significant ring systems.

Mercury and Venus do not possess any rings, and Mars has only the minor Deimos Ring.

Neptune, Uranus, Jupiter: Neptune and Uranus both have ring systems, but Jupiter does not.

Therefore, this option does not accurately list three planets with ring systems.

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The minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter Mercury does not have any known rings the correct combination is "Jupiter, Mars, Saturn" when referring to planets that have rings.

Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."

Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.

Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.

Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."

While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.

This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.

Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.

Saturn's rings are one of the most iconic features in our solar system and are visible even from small telescopes.

The other options listed do not accurately represent planets with ring systems:

Mars, Jupiter, Mercury: While Jupiter is included, neither Mars nor Mercury have prominent ring systems.

Mars has the minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter. Mercury does not have any known rings.

Mercury, Mars, Venus: None of these three planets have significant ring systems.

Mercury and Venus do not possess any rings, and Mars has only the minor Deimos Ring.

Neptune, Uranus, Jupiter: Neptune and Uranus both have ring systems, but Jupiter does not.

Therefore, this option does not accurately list three planets with ring systems.

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The reason for this is: on humans There are too many ethical issues concerning experimentation on human DNA, so it is not done.

The manipulation of human genetic information is a highly controversial and sensitive topic, as it raises serious ethical concerns related to the potential risks and consequences of such modifications. The idea of introducing genes from other species into the human genome is particularly problematic, as it could have unpredictable and potentially harmful effects on human health and wellbeing.

In addition, the technology required for such manipulations is still in its infancy, and there are significant technical and scientific challenges that need to be overcome before gene splicing on humans can be considered a safe and viable option. As a result, the scientific community has largely refrained from conducting research on human genetic modification, focusing instead on other areas of genetics and biotechnology.

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Answer:

The picture is the answer

Explanation:

Answer: I believe it would be A "They are expressed whenever present."

Explanation: Dominant alleles always show up, in the F1 generation the recessive allele are masked.

The statement is accurate about dominant alleles is they are expressed whenever present. Hence option a is correct.

Dominant alleles are defined as a gene variant that, despite the presence of other alleles, will result in a certain phenotype. Dominance is a phenomena in genetics when one version of a gene on one copy of a chromosome obscures or overrides another version of the same gene on the other copy of the chromosome.

Completely dominant alleles will always be expressed in the phenotypic of the cell. The dominant allele is therefore always expressed, but because penetrance might vary, it is sometimes not as clearly represented in the phenotypic of the cell as you would anticipate from a dominant allele.

Thus, the statement is accurate about dominant alleles is they are expressed whenever present. Hence option a is correct.  

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Answer:

Explanation:

A scientific researcher performs scientific methods to answer any natural process. The researcher will follow the protocol of a scientific method which includes: observe the natural phenomenon, ask related questions, suggest a hypothesis, perform the experiment and suggest answers.

In the given question if the researcher has to study about the flu virus, the possible questions he would ask will be:

1. The life cycle of the flu virus.

2. Effect of the virus on the life of an organism.

3. The mechanism used by the virus to replicate and to infect any organism.

4. Molecular mechanism of a virus.

Answer:

My 4 scientific questions would be:

* How does the virus start every year?

* How do we make the virus fully go away?

* Why does this virus happen?

* Can this virus become a serious issue in the future?

Explanation:

Plasmolysis is the loss of water by plant cells after being placed in a solution with a higher concentration of solute than the cells. This is called a hypertonic solution. Osmosis causes water to flow from the cell into the surrounding liquid.

Plasmolysis is the process by which cells lose water in hypertonic solutions. When cells are in a hypotonic solution the reverse process cytolysis or cell lysis occurs resulting in a decrease in external osmotic pressure and a net flow of water into the cell. When plants are not watered the extracellular fluid becomes isotonic or hypertonic causing water to leave the plant cells.

This causes a loss of turgor pressure. You will probably notice it as a wilt. In more concentrated solutions cell contents lose water by osmosis. They contract and move away from the cell wall. Cells are limp It is cytolyzed. When a high concentration of salt is placed on the outside of the cell membrane water leaves and binds with the cell. As water is lost by this movement, the plant cells shrink and die. Because of this, salt can kill plants. It leaches water out of the cells.

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Answer:

it is is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose. Much more ATP, however, is produced later in a process called oxidative phosphorylation.

Answer:

Its A i have been learning this subject for 3 months its right give the person above brainliest  UwU

Explanation:

Answer:

isotonic

Explanation:

In order to prevent the cells from either swelling or shrinking, the body fluids should be isotonic, meaning that they are at equilibrium.

Answer:

C

Explanation:

The main reason countries should work together to reduce air pollution is option C. Winds carry air pollution across oceans and continents.

It is the contamination of the indoor or the outdoor environment should be chemical, physical, biological agent that changed the natural attributes of the atmosphere.

So here the wind should carry air pollution that across the ocean and continents.

hence, the option c is correct.

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Answer:D

Explanation:

Seems right to me

Answer: DNA Polymerase

Explanation: DID IT ON USATP

Answer:

adventitious root ➡ a root that grows from plant parts other than roots

pneumatophores ➡ a root that grow out of the soil

tap root ➡ a root that is conical in shape and develops from the radicle.

fibrous root ➡ a root that develops like a tuft of hair like roots and is short-lived.

prop root ➡ a root that grows from branches to the ground

Explanation:

Adventitious roots are known to be roots that grow from a tree organ other than the root. The growth can be from the stem or leaf of that tree. This root makes it possible for vegetative propagation of plants to take place through stem or leaf cuttings. It can seen on rhizomes, corms, and tubers.

Pneumatophores are roots that grow out of the soil. They grow in saline mud and grow upward out of the mud and water. These type of root system are found in mangrove species. A tap root system is formed when the radical keeps growing and some other roots form along the tap root. They are conical in shape too.

Answer:

Hey bro Ur answer is A)

Explanation:

The definition of an ecosystem is that ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

The tomato plants, the fungi, and the soil all interact to sustain each other.

Answer:

No

Explanation:

No, plants do not take in air with their roots. Roots are designed to absorb water and minerals from the soil. In order to get the air and carbon dioxide they need for photosynthesis, plants have specialized structures called stomata in their leaves and stems that allow air to enter and exit. These stomata regulate the movement of gases into and out of the plant, so the plant can take in the carbon dioxide it needs and release the oxygen it produces.

Answer:

Within an ecosystem, we can identify different levels of organization, such as individuals, populations, communities, and the overall ecosystem.

Explanation:

An individual refers to a single organism, such as a plant or an animal, living within the ecosystem. For example, a squirrel or a tree in your ecosystem would be considered individuals.

Populations are groups of individuals of the same species that live in the same area and interact with one another. For instance, if there is a group of squirrels living in your ecosystem, we can refer to them as a population of squirrels.

Communities include all the populations of different species living together in a specific area. In your ecosystem, there might be various populations, such as squirrels, birds, insects, and plants, interacting and coexisting with one another. Together, they form a community of different organisms.

The ecosystem encompasses both the living organisms (biotic factors) and the non-living components (abiotic factors) in a given area. The abiotic factors include things like sunlight, temperature, water, soil, and air. They influence the distribution and behavior of the organisms within the ecosystem. For example, the availability of sunlight and the temperature range in your ecosystem will affect the growth of plants and the activities of animals.

An ecosystem consists of the interactions between abiotic and biotic components in a specific area. Abiotic components include non-living factors like water, air, sunlight, temperature, and soil, while biotic components include living organisms like plants, animals, and microbes.

Populations of different species of plants, animals, and microbes make up the biotic components of an ecosystem. Each individual organism, whether a plant, animal, or microbe, interacts with its biotic and abiotic surroundings. The community of different species of organisms in an ecosystem all interact with each other to obtain food, shelter, or other necessary resources.

Some species form mutualistic relationships, while others may be in competition with each other for resources. Therefore, the ecosystem that we live in is the local community of living organisms interacting with the abiotic environment. These interactions between abiotic and biotic components of an ecosystem result in complex and dynamic ecosystems that can change over time.

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The red flags or warning signs to look out for when evaluating nutrition claims are:

Nutrition claims can be misleading or inaccurate. Be alert to red flags for misleading claims "Miraculous" or "magic" claims: A product or diet is described as a miracle cure or a magic solution for various health issues.

"One-size-fits-all" approach: Claim that a diet or product is suitable for everyone despite individual differences. Nutrition needs vary. Be wary of universal solutions claims.

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The resting phase of the cell cycle is called interphase.

Interphase is a critical stage in the cell cycle during which the cell prepares for division by going through different activities such as growth, DNA replication, and protein and organelle production. It is the longest phase of the cell cycle and is separated into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).

The cell develops in size, synthesises RNA and proteins, and performs its regular duties during the G1 phase. The cell enters the S phase after passing through the G1 checkpoint. The DNA of the cell is reproduced during the S phase, resulting in the production of two identical copies of each chromosome.

This ensures that during cell division, each daughter cell receives a complete set of genetic material. The cell enters the G2 phase after DNA replication, where it continues to expand and prepares for mitosis.

Interphase is not a real resting phase because the cell is actively engaged in multiple cellular functions. However, because the cell is not visibly dividing at this period, it is commonly referred to as the resting phase.

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Answer:

The statement that accurately describes tectonic plate movement is:

"Tectonic plates move due to the motion of convection currents in the Earth's mantle."

Tectonic plates are large, solid slabs of rock that make up the Earth's outermost layer, called the lithosphere. These plates float on top of the partially molten layer of the Earth's mantle and move slowly over time. The motion of tectonic plates is driven by convection currents in the mantle, which are caused by heat from the Earth's core.

As the convection currents move, they drag the tectonic plates along with them, causing the plates to slowly move and interact with one another. These interactions can result in the formation of mountains, earthquakes, and volcanic activity.

This theory of plate tectonics was first proposed in the 1960s and has since been widely accepted as the explanation for many geological processes, including the movement of continents over time.

Explanation:

An investigation is an example of research.

Research is the process of gathering and analyzing information in order to answer a question or solve a problem. Investigations are a type of research that is typically conducted to gather evidence about a crime or other incident. Investigators may gather evidence through interviews, document reviews, and physical examinations. They may also use scientific techniques, such as DNA testing or fingerprint analysis.

The goal of an investigation is to gather enough evidence to determine what happened and who is responsible. This information can then be used to bring charges against the perpetrator or to take other necessary steps.

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The research process has been beneficial in providing insights into a topic. By looking at a topic through the lenses of research, I can gain knowledge and better understanding of the subject. I can also explore different perspectives, identify key stakeholders, and develop theories and hypotheses.

A hypothesis is a proposed explanation for a phenomenon or set of phenomena, often based on prior research, observation, and/or logical deduction. It is used in a variety of disciplines, including science, mathematics, and philosophy. A hypothesis may be tested through experimentation or observation, and is typically used to make predictions about the natural world. In science, it is an educated guess about the outcome of a test or experiment.

Some of the potential benefits of further research include the ability to test theories and hypotheses, identify and analyze data, and draw conclusions. Further research can help to fill in knowledge gaps, develop and refine research questions, and provide evidence-based recommendations and solutions.

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Answer:

think it's A but not sure

Answer:

an amoeba and an unpaid egg chicken is a single cell.

Explanation:

an amoeba and an unlaid egg of a chicken is not an organism.

because, the zygote inside it is made up of more than one cell ,so the zygote results in chicken and Chicken is a multicellular organism

If the umbilical cord is constricted during delivery, insufficient oxygen and brain damage are potential dangers for fetus.

Umbilical chord problems during pregnancy: what are they?

The placenta cannot attach to the umbilical cord properly if it is too long or too short, or if it becomes knotted or squeezed. These ailments may create issues with pregnancy, labor, and delivery. Your healthcare practitioner may perform an ultrasound while you are pregnant to determine if you have one of these conditions.

During pregnancy, labor, or birth, the placenta, the baby's weight, or the vaginal walls may strain the cord, causing it to become compressed. Cord compression increases the chance of fetal malnutrition, brain damage, or even death by limiting the baby's access to blood and oxygen.

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Condensation → Nuclear membrane disassembly → Arrangement at equator → Centromere division → Segregation → Telophase is the correct sequence of events during mitosis.

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Answer:

between Asia and Australia

Answer:

I believe it is North not entirely sure though and I'm sorry if I was incorrect!

Explanation:

All of the options are chemical approaches to control micro-organism excepts: B Disinfectants

19. The scientific name for modern man is: B. Homo sapiens

20. kingdoms are prokaryotic organisms placed D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm

22.  taxonomic groups contains closely related organisms A. Genus

23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium

24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi

25. Ecology is a biological science that deals with except: D. none

26. The organism that are consumer is D. Scavengers

Disinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.

Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.

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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants

19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens

20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm

22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class

23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium

24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population

25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none​

26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers