5. Two bodily structures, found in different species, have different
internal bone structures but serve a similar purpose in each organism. BLS4.1

A-homologous structures
B-Vestigial structures
C-analogous structures
D-natural selection

Answer:

When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs. When it is necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and waft the air toward your face.

Explanation:

Have A Wonderful Day !!

The movement of negative charges between nonconducting objects that are touching is called transferring charge by Conduction.

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Swedish naturalist and explorer Carolus Linnaeus was the first to frame principles for defining natural genera and species of organisms and to create a uniform system for naming them, known as binomial nomenclature

Answer:

CO2 and H2O

Explanation:

the photosynthesis equation is

6CO2 + 6H2O --> C6H12O6

co2 and h2o are before the yield sign so they are inputs

Answer:

Numbers 5, and I think 2 the rest are bases

Explanation: * Remember H+ is acids and OH- is base :)

Answer:

(1),(2),(5),(6)

Explanation:

The Hardy-Weinburg equation is p + q = 1, or p^2 + 2pq + q^2 = 1, where p is dominant and q is recessive. If 10 out of 100 rabbits have white fur, 10% of the rabbits have white fur. Therefore, 90% of the rabbits have brown fur, which can be substituted into the first equation to become 0.9 + 0.1 = 1. Now that we know what p and q equal, we can solve the rest of the equation.

0.9^2 = 0.81

0.9 * 0.1 * 2 = 0.18

0.1^2 = 0.01

Therefore, the allele frequency of the recessive allele is 0.1

Answer:

B 0.10

Explanation:

Answer:

Reproductive System

All the body systems have one role or the other to play in digestion and absorption. Even the excretory system removes waste and toxins from the body, leaving the useful materials.

However, the reproductive system is not actively involved in digestion.

Answer:

Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. Often, it is impossible to determine which two alleles of a gene are present within an organism's chromosomes based solely on the outward appearance of that organism. However, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism's offspring and expressed in a later generation.

Answer: small

Explanation:

Answer:

The answer is C

Explanation:

In the presence of oxygen, yeast undergo aerobic respiration and convert carbohydrates (sugar source) into carbon dioxide and water.

Hope it helps.

The level of carbon dioxide will increase.

• In the given case, yeast will go through the process of aerobic respiration and convert the glucose present into the usable energy form.

• The majority of the prokaryotes and eukaryotes utilize aerobic respiration to get the energy from glucose.

• In the process of aerobic respiration, the catabolism of glucose will occur, which will convert it into water, carbon dioxide, and energy.

• In the process, molecular oxygen is the ultimate electron acceptor.

• Therefore, in the given case, with the interaction of yeast with the glucose, the level of carbon dioxide in the test tube increases.

Thus, the correct answer is option C.

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Answer:

D. muscles

Explanation:

They are adapted to contraction due the elastic cella

internal structures of animals are specifically adapted to use contraction to cause movement muscle. They are adapted to contraction due the elastic cell

Three major types of muscles are skeletal muscle, smooth muscle and cardiac muscle.

Skeletal muscle, attached to bones,  responsible for skeletal movements. where the peripheral portion of the central nervous system (CNS) controls the skeletal muscles.

The unit is the muscle fiber with many nuclei, these are either striated  and each acts independently of neighboring muscle fibers.

Smooth muscle located in the walls of the hollow internal organs like blood vessels, the gastrointestinal tract, bladder, and uterus which is under control of the autonomic nervous system.

Cardiac muscle present in the heart wall under control of the autonomic nervous system, it has one central nucleus, like smooth muscle,  is striated, like skeletal muscle, rectangular in shape. The contraction of cardiac muscle is involuntary, strong, and rhythmical.

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Answer:

to keep the icosystem bidiversted

Answer:

Gene flow, also called gene migration, the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population. The introduction of new alleles through gene flow increases variability within the population and makes possible new combinations of traits. In humans gene flow usually comes about through the actual migration of human populations, either voluntary or forced.

Answer:

Antonie van Leeuwenhoek used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.

Answer:

The root is a very important part of the plant that has two main functions: To hold the plant to the ground and to absorb water and mineral salts from the soil.

Explanation:

The root is the organ of the plant that is frequently located underground, since it presents positive geotropism. The roots penetrate several layers of the soil, bind the earth with their branches and adhere by means of absorbent hairs to the soil particles, fixing the plant and ensuring its stability, that is, they prevent it from being dragged by the wind, and provide the vegetable of a base for its correct growth. The root is the organ specialized in absorbing water and minerals (raw sap) from the soil, mainly through the absorbent hairs, and conducting it towards the stem. The water circulates through the stem until it reaches the leaves. Small tubes called capillaries are involved in this process.

Answer:

D

Explanation:

Most autotrophs make their "food" through photosynthesis using the energy of the sun. Heterotrophs cannot make their own food, so they must eat or absorb it.

The process that occurs only in autotrophs and never in heterotrophs is photosynthesis. The correct option is D.

Autotrophs are organisms that produce their own food, which means they do not need to hunt or look for food, such as plants.

Heterotrophs are animals that are unable to produce their own nutrients, so they must rely on an external source of energy, which they obtain through hunting, scavenging, and other means.

Photosynthesis only occurs in autotrophs, as they produce their own food through this process. Most autotrophs obtain their "food" by using the energy of the sun via photosynthesis. Heterotrophs are unable to produce their own food, thus they must consume it or absorb it.

Therefore, the correct option is D. photosynthesis.

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Answer:

its true.

Explanation:

have a nice day :)

Answer:

419.2 (+/- 3.2) million years ago

Explanation:

419.2 (+/- 3.2) million years ago

Answer:

true i think

Explanation:

Answer:

A

Explanation:

others answers give variables that still apply to planets

An example of a difference between planets in the solar system is some planets have thick atmospheres, while others have thin atmospheres. The correct option is B.

The Solar System is made up of the Sun and the planets that orbit it, including Earth. Other planetary systems are occasionally referred to as exoplanetary systems.

A group of gravitationally bound non-stellar objects in or out of orbit around a star or star system is known as a planetary system.

Some planets have thick atmospheres, while others have thin atmospheres. These planets have different densities, some planets are gaseous and some are solid.

Therefore, the correct options are B). Some planets have thick atmospheres, while others have thin atmospheres.

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Answer:

That’s cell is in prophase! Hope this helps!

Explanation:

Answer:

Incomplete dominance.

Explanation:

Incomplete dominance is where both recessive and dominant traits are present.

  When roan cattle are mated, 25% of the offspring are red, 50% are roan, and 25% are white. Upon examination, it can be seen that the coat of a roan cow consists of both red and white hairs. This one trait is controlled by co dominance where the two genes express themselves together.

It is defined as the property of dominant gene in which the dominant gene express itself where the expression of dominant gene is called as dominance.

Here, both the colors of the species are found in the offspring or progeny here in this case it is found that the 25% of the species that are red are called as dominant genes, 25% of the white cattle are white having recessive gene and there is 50% having both the red as well as white cattle that represents co dominance.

Complete dominance means the gene which is dominant in nature will express itself completely. Inbreeding is the mating of the individuals together of the same race together in order to produce progeny.

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Answer: The Benthic zone would most likely be the part of a like wherein it is mostly aphotic in nature. In addition, the benthic zone is usually located at the bottommost layer of the lake wherein it is usually characterised by having sediments that support huge amounts of vegetation on the layer.

Explanation:

Answer:

benthic zone

Explanation:

Answer:

pressure decreases to the point where the protoplasm of the cell peels away from the cell wall, leaving gaps between the cell wall and the membrane and making the plant cell shrink and crumple.

Answer:

Option A is the answer, that is, molecules of red ink move through the membrane by diffusion.

Explanation:

This is because diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration.

Answer:

It is a complex, folded chain that helps regulate cell processes.

Explanation:

on edge 2020 exam

Answer:

It is a complex, folded chain that helps regulate cell processes.

Explanation:

Edg 2021