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Sholpan [36]
3 years ago
15

3. Centrosomes are present only in

Biology
1 answer:
denis-greek [22]3 years ago
5 0
Answer es b animal cells porque es estupendo
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Individual amoebae of the slime mold Dictyostelium discoideum aggregate to form a spore-producing fruiting body. Cheaters make s
adell [148]

Answer:

a. This is actually a case of frequency-dependent selection. With too many cheaters in a population, the fruiting body's stalk is not built well, and all individuals have lower fitness.

Explanation:

Frequency dependent selection is a process in evolution whereby the

a gene, genotype or phenotype varies depend on the percentage of that gene, genotype or phenotype that is present in the population.

There are two types of frequency dependent selection:

a. Positive frequency dependent selection.

b. Negative frequency dependent selection.

7 0
3 years ago
Why is it more common for birds to have nests with a few eggs rather than just one or a lot?
Vlad1618 [11]

Explanation:

The large size of a egg makes it difficult for the female to retain more than a single one egg at a time - carrying eggs would make flying harder and require more energy. (Bird eggs vary in size from the tiny 0.2 gramme eggs of hummingbirds to the enormous 9 kilogram eggs of the extinct elephant bird.)

Just as an aircraft cannot fly if it is overweight, all female birds must dispense with the fertile egg as soon as it is formed. And because the egg is such a protein-rich high-nuitrition prize to all sorts of predators, birds must find a secure place to hatch their eggs. Although birds' eggs appear to be fragile, they are in fact extremely robust. The oval shape applies the same rules of engineering as an arched bridge; the convex surface can withstand considerable pressure without breaking. This is essential if the egg is not to crack under the weight of the sitting bird. It takes 26 pounds of pressure to break a swan's egg and 120 pounds to smash the egg of an ostrich.

8 0
3 years ago
Read 2 more answers
Which of the following shows the conservation of mass during cellular respiration?
Luden [163]
<span>C. C6 H12 O6 + 6 O2 → 6 C O2 + 6 H2 O + energy </span>
3 0
3 years ago
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What is the most volcanically active body in the solar system?<br><br><br><br><br> Or science
Tema [17]

Answer:

Hey Dude...

Explanation:

This is ur answer.....

<h3>The moon Io</h3>

<em>The moon Io is the most volcanically active world in the solar system. Io even has lakes of molten silicate lava on its surface.</em>

Hope it helps!

Brainliest pls!

Follow me! :)

3 0
2 years ago
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The genetic material appearing like a thread in the nucleus is known as _____. chromatin DNA the spindle
murzikaleks [220]
<span>The correct answer is the chromatin. The chromosomes of all organisms, excluding bacteria, are made of chromatin. Chromatin is a group of macromolecules consisting of RNA, DNA, and protein.</span>
4 0
3 years ago
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