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IceJOKER [234]
3 years ago
8

During the course of successful prenatal development, a human organism begins as a(n) _____ and ends up as a(n) _____.

Biology
1 answer:
Olenka [21]3 years ago
7 0
<span>The correct answers are zygote and fetus. This is correct because the initial joining of the sperm and the egg is called the zygote. The zygote is the first step in prenatal development that grows and transforms over months into the final form, a fetus. The fetus is the last form of the zygote prior to birth.</span>
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cats tail length is a trait that is incomplete dominant. when a cat witha short tail length is crossed witha long tail, the offs
nlexa [21]

Answer:

50% medium tail and 50% short tail.

Explanation:

Let the allele that controls the tail length in cat be represented by T.

Cats with short tail length will have the genotype of tt.

Cats with long tail length will have the genotype of TT.

Since the trait exhibit incomplete dominance, cats with medium tail length will have the genotype of Tt.

A short tail cat (tt) is crossed with a medium tail cat (Tt).

tt   x   Tt = Tt, tt, Tt, and tt

<em>Recall that phenotypically, Tt = medium tail and tt = short tail. Hence, 1/2 or 50% of the offspring will have medium tails while the remaining 1/2 or 50% will have short tails.</em>

Hence, the possibilities are 50% medium and 50% short tail cats.

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4 years ago
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The researchers set up experimental and control microcosms, or small artificial ecosystems, to measure the release of minerals f
Rudik [331]

Answer:

The correct answer is - Control microcosms did not contain living moss, while experimental microcosms did contain living moss.

Explanation:

The difference between the control microcosms and experiment Microcosms is, the presence of the living moss in the experimental group whereas the control group does not contain living moss.

The independent variable in this research setting is the presence or absence of the living moss and for the control group, the mosses are filtered out and only added the water.

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3 years ago
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How the Law of Conservation of Matter and Energy is conserved during these processes based on the numbers of molecules of the re
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Explanation:

The law of conservation of matter states that in any given system that is closed to the transfer of matter, the amount of matter in the system stays constant.

The law of conservation of matter says that in chemical reactions, the total mass of the products must equal the total mass of the reactants.

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What are the differences between renewable resources, non renewable resources and sustainable option?​
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Answer:

Renewable resources can be replenished, such as water. Non-renewable resources are limited, like oil. A sustainable option is one that can be reused without affecting the environment.

Explanation:

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