BIOLOGY HIGH SCHOOL

Which kingdom contains organisms that are multicellular, heterotrophic, eukaryotic, and lack cell walls?

Answers

Answer 1
Answer: Animalia is the correct answer. Hope it helped you. Please mark as the brainliest answer if it helped
Answer 2
Answer:

Answer:

Animilia

Explanation:

i looked off the other guy

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In one generation, the frequency of the A allele is 70 percent and the frequency of the a allele is 30 percent. What are the chances of an individual in the next generation having the genotype aa if the population is in genetic equilibrium? 49% 42% 30% 9%

Answers

Answer:

The correct answer would be 9%.

As the population is in genetic equilibrium, then the population must be following the Hardy-Weinberg equations:

p + q  = 1 and

p² + q² + 2pq = 1

The frequency of A (dominant allele) in a population is 70 percent.

Thus, the value of p would be 70/100 which comes out be 0.7

Similarly, the value of q would be equal to 0.3

The frequency of individual with homozygous recessive genotype, that is, aa would be equal to q².

So, q² = (0.3)^(2) ⇒ 0.09

Thus, the frequency of individual with genotype aa would be equal to 9 percent.
9%

Why?
The frequency for allele a is 30% or 0.3. Let's call this frequency p.
p^2 would then represent the frequency of genotype aa (this is is derived from the formula p^2+2pq+q^2=1 where p and q represent alleles a and A respectively. So p^2=aa, pq=Aa and q^2=AA)
0.3^2=0.09 or 9%

Healthy soil depends on _______. a. the size of rock particles b. oxygen content c. moisture content d. all of the above

Answers

The correct answer is (d). All of the above.

The health of the soil depends on several factors such as the size of rock, which determines the water holding capacity of soil. The soil having smaller rock particles holds more water as compared to the soil having larger rock particles. The more the oxygen content of the soil, the better will be the growth of plants. The roots of the plants require oxygen for various functions. The moisture content enables the growth of healthy microorganism that is required for humification in the soil to increase the soil health.

Answer:

D

Explanation:

What is a Brain stem?

Answers

The brain stem is central trunk of the brain, consisting of the medulla oblongata, pons, and midbrain, which continues down into the spinal cord.

What is the relationship between the distribution of coral polyps and the population density of plankton in the water?

Answers

The small water born plants or animals are known as plankton. They can be either phytoplankton or zooplankton.

The relationship between the the distribution of coral polyps and the population density of plankton is that coral polyp depends on the plankton for their nutrition.

Most of the coral polyps like zoanthids depends on phytoplankton and zooplankton for their food(nutritional needs).

They also depend on the bacterioplankton for their food.
They eat coral and other things from coral, they use coral for habitat

Many soils can be distinguished from other samples by their color and texture. True False

Answers

 the answer is true 

i hope i helped

The answer is true . Many soils can be distinguished from other samples by their color or texture

Which term best describes the change from more light-colored moths to more dark-colored moth

Answers

The answer is industrial melanism.

During the Industrial revolution, due to pollution, trees become darker in the urban area. Light-colored moths were, thus, easy prey. The dark-colored moths were able to camouflage on dark trees and avoid predators. The phenomenon is known as industrial melanism. So, in polluted urban areas, the number of dark-colored peppered moths increased. In the clean environment, were much effective in hiding from predators and they outnumbered the dark-colored moths. 

Answer: acquired

Explanation:
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