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Taya2010 [7]
3 years ago
5

When the tetrads are formed

Biology
1 answer:
Rudiy273 years ago
8 0

Answer:

B. The chromosomes exchange genetic information.

Explanation:

Crossing over of tetrads during meiosis is very important for the exchange of genetic information.

This step of meiosis allows for each chromosome to be genetically unique and distinct from the others, creating genetic variation.

Crossing over does not double the number of chromosomes or reduce the number. The number of chromosomes stays the same.

So, the correct answer is B. The chromosomes exchange genetic information.

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because we get energy from plants

Explanation:

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3 years ago
The species of which of these groups show neither wings nor antennae? Crustaceans/ Insects/ Arachnids
kondaur [170]
The answer is Arachnids.


Crustaceans, Insects, and Arachnids belong to the phylum Arthropoda.
Of mentioned characteristics, most of the Insects have both wings and antennae. Remember all butterfly, bees, beetles, etc. Crustaceans (crabs, lobsters, shrimp, etc) have antennae, but they have no wings.

Thus, the only group of the mentioned that shows <span>neither wings nor antennae is Arachnids. Arachnids include scorpions, spiders, ticks, etc. and as it is known, these groups have neither </span><span>wings nor antennae.</span>
6 0
3 years ago
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Being able to respond to change (irritability) is one of the necessary life functions. Which body system is mostly responsible f
Ede4ka [16]

Answer:

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Explanation:

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Nervous system is deal with the irritability by sensing the stimuli in which change occur it can be physical stimuli such as temperature, light, or sound or chemical stimuli such as pH, ions, amount of required chemical or biological stimuli such microbes in body. All these stimuli are sense b the sensory neurons and then send these signals to brain or spinal cord in order t act and respond accordingly to maintain homeostasis.

Thus, the correct answer is : nervous sytem.

5 0
3 years ago
Which of the following is the most likely do we observe it by a physiologist
vampirchik [111]
What controls what molecules pass in and out of a cell?
5 0
4 years ago
WILL MAKE BRAINLIEST
Dmitry [639]

Answer:

it is evolution

hope it helps

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