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yKpoI14uk [10]
2 years ago
15

Before the evolution of complex nervous systems, animals with very simple nervous systems, such as the nerve nets of cnidarians,

could engage in all of the behaviors except __________
Biology
1 answer:
blondinia [14]2 years ago
6 0

Answer:

FINDING A MATE

Explanation:Cndarians are about 11000 species of animals found living in water( they are aquatic animals). The body of Cnidarians are divided into two (2) layers called EXODERM AND ENDODERM separated by MESOGLEA( a jelly-like material, Cndarians have tentacles which they can use to Sting Invaders or predators. Cnidarians are known to have Nerve nets which help them to transfer stimuli or certain nutrients but are never used to search for mates.

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Which describes the four cells that are produced at the end of meiosis? identical haploid cells genetically different diploid ce
algol13

Answer:In many ways, meiosis is a lot like mitosis. The cell goes through similar stages and uses similar strategies to organize and separate chromosomes. In meiosis, however, the cell has a more complex task. It still needs to separate sister chromatids (the two halves of a duplicated chromosome), as in mitosis. But it must also separate homologous chromosomes, the similar but nonidentical chromosome pairs an organism receives from its two parents.

Explanation:Mitosis(Opens in a new window)(Opens in a new window) is used for almost all of your body’s cell division needs. It adds new cells during development and replaces old and worn-out cells throughout your life. The goal of mitosis is to produce daughter cells that are genetically identical to their mothers, with not a single chromosome more or less.

Meiosis, on the other hand, is used for just one purpose in the human body: the production of gametes—sex cells, or sperm and eggs. Its goal is to make daughter cells with exactly half as many chromosomes as the starting cell.

To put that another way, meiosis in humans is a division process that takes us from a diploid cell—one with two sets of chromosomes—to haploid cells—ones with a single set of chromosomes. In humans, the haploid cells made in meiosis are sperm and eggs. When a sperm and an egg join in fertilization, the two haploid sets of chromosomes form a complete diploid set: a new genome.

7 0
2 years ago
Read the following sample task and identify it as declarative or procedural. Explain why there are two low tides and two high ti
mr_godi [17]
It's declarative hopes this helps if im wrong then im stupid :)

6 0
2 years ago
Concerning skin color, which of these statements is not correctly matched?
lisov135 [29]
D- skin appears blue because of a lack of oxygen in the blood
3 0
2 years ago
A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by q. The blue allele is domi
murzikaleks [220]

Answer:

p = 0.34

Explanation:

The green allele is recessive, meaning two copies of q (qq) are required to be green. Conversely, animals that are either pp or pq will be blue.

If 44 organisms are green, that means 44 are qq.

For genotype frequencies, the equation is:

homozygous dominant genotype + heterozygous + homozygous recessive = 100%

Which is denoted as

p² + 2pq + q² = 1

We know that q² = 44/100 = 0.44

To work out q, we can do \sqrt{0.44} = 0.66

For allele frequencies, the total must add up to 100%, so

p + q =1

We know that q= 0.66

So p = 0.34, because 0.66 + 0.34 = 1

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2 years ago
Explain the process of mitosis in a tissue culture for cancer cells
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Go to quizlet thats where i had found the answer at :)
7 0
2 years ago
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