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Sindrei [870]
3 years ago
7

What are two gases that animals exchange with their surroundings

Biology
1 answer:
boyakko [2]3 years ago
7 0
Animals breath in Oxygen and expel Carbon-dioxide.
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The shape

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Mitochondrial DNA is in a circular shape unlike other cell DNA that is shaped in X patterns

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What phase does the nucleus disappear and the nuclear envelope break down
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3 years ago
Please answer!! i need help so bad. please!!!
padilas [110]

The purple kernel is dominant over the yellow kernel and hence it has the genotype of homozygous dominant PP.

<h3>What is Genotype?</h3>

Genotype may be defined as the ultimate combination of alleles of genes that are selected for specific studies.

If it has some offspring with purple kernels and some with yellow, the genotypes of the two parents are heterozygous dominant for the purple kernel, i.e. Pp and Pp.

And when these two parents are crossed with each other, the genotypes are PP, Pp, Pp, and pp. While the genotypic ratio is 1:2:1 (PP: Pp: pp), but the phenotypic ratio is 3:1 (Purple: Yellow).

Therefore, it is well described above.

To learn more about Kernel color in Corn, refer to the link:

brainly.com/question/1638810

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4 0
2 years ago
5. If there is a large number of prey rodents, the number of owls will increase due to a healthy
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Yes

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<em>One would expect to find the same pattern in any other ecosystems between predator and prey unless there is a way the prey's population is being replenished.</em>

<u>When predators start hunting down preys, the population of preys start decreasing and this will in turn means less food for the predators. If the trend continues, competition for food become fierce among the predators and this will make their population to start decreasing as the competitively strong ones take over the little food that remains and the competitively  weak ones are gradually left to starve to death.</u>

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