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3 years ago

Although most animals are bilaterally symmetrical, a few exhibit radial symmetry. What is an advantage of radial symmetry?

Biology

2 answers:

andrezito [222]3 years ago

7 0

Answer:

It allows the animal to undergo rapid, purposeful movement in any direction.

Explanation:

The radial symmetry allows the animal to have a more controlled displacement, this advantage is evidenced in the response to predators which is faster than an animal with bilateral symmetry.

Also predators know its preys so they usually don't get confuse about their shape. No necessarily for having a radial symmetry the animal gets food from all sides ( the seastars have radial symmetry but the movement of their extremities do not allow them to get food from every place around). And sensing the environment is not necesarily an advantage because it don't let you know what is above you.

So an advantage of radial symmetry is the huge capacity of movement.

mars1129 [50]3 years ago

5 0

Answer:

It allows the animal to undergo rapid, purposeful movement in any.

Explanation:

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Answer:

an emerging infectious disease

Explanation:

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3 years ago

According to the Punnett Square shown above

Alexxandr [17]

Answer:

C. There is a 75% probability that an offspring will have brown eyes and a 25% probability that an offspring will have blue eyes.

Explanation:

Note that the brown eyes is the dominant trait, denoted by B, while blue eyes is the recessive trait, denoted by b. In all cases of the Punnett square, if there is a dominant and recessive trait, the dominant trait will always come out on top.

The given Punnett square:

$\left[\begin{array}{ccc}&B&b\\B&BB&Bb\\b&Bb&bb\end{array}\right]$

Note that there are 3 options (BB, Bb, Bb) respectively, in which there is the dominant trait B (brown eyes). Only in one case is there only the recessive trait b (blue eyes), or a 1/4 chance of obtaining blue eyes. Therefore, there is a 3/4 chance of obtaining a brown eye:

C. There is a 75% probability that an offspring will have brown eyes and a 25% probability that an offspring will have blue eyes.

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3 years ago

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mr_godi [17]

Answer:

In a redox reaction, a reducing agent will donate electrons to another chemical species and then it becomes oxidized.

Explanation:

A redox or oxidation-reduction reaction is a chemical reaction where exchange of electron(s) happen between two chemical species (molecule, atom or ion). In this reaction, one chemical species act as an oxidizing agent while another will be a reducing agent.

An example of redox reaction is given in the attachment.

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