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Brrunno [24]
3 years ago
5

Closely related species often look similar but have courtship rituals that are slightly different.

Biology
2 answers:
nevsk [136]3 years ago
6 0
Closely related species often look similar but have courtship rituals that are slightly different to ensure that mating occurs between member of the same species. The correct option among all the options that are given in the question is the third option or option "c". This is to preserve the specialties that each species have.
agasfer [191]3 years ago
3 0

Answer:

Option C. Ensure that mating occurs between members of the same species.

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What is active transport?​
kompoz [17]

Answer:

the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.

3 0
2 years ago
3. Why is it sometimes necessary to use a model that is "not to scale"?
joja [24]
My answer: Because the actual thing you might be modelling might be too small or large to replicate, (for example you cannot draw a plant cell TO SCALE because it’s way too small to see with a bare eye).
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I hope this helps!
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6 0
3 years ago
Which of the following is true of the composition of all materials?
otez555 [7]

Answer:

Which of the following is true of the composition of all materials?

All materials are made up of smaller parts that cannot be seen without magnification

Explanation:

Material composition entails smaller parts that made up of such materials which are embedded in it. it could be chemical, addictive, which are not seen

4 0
3 years ago
Read 2 more answers
In a sample of cells, the DNA content immediately following mitosis is measured and is equal to 10 picograms of DNA per nucleus.
Rasek [7]

Answer:

1. At the end of S phase- 20 pg DNA

2. At the end of G2 phase-  20 Pg DNA

Explanation:

The cell before undergoing M phase undergoes the steps of interphase that is G₁, S and G₂ phase.

During S phase, the process of cell replication takes place which replicates the DNA as a result of which the amount of DNA doubles. This DNA amount is reduced to half during the anaphase stage of M phase.

In the question since the amount of DNA is 10pg therefore the amount will be double during S phase and becomes 20 pg and will remain 20 pg until the DNA is distributed therefore at the end of G₂ phase Will remain the 20 pg.

7 0
3 years ago
Animals return water to the air through
FromTheMoon [43]

Answer:

Transportation i guess

Explanation:

4 0
2 years ago
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