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madreJ [45]
3 years ago
5

What changes boy and girls go through during puberty?

Biology
2 answers:
ch4aika [34]3 years ago
6 0
Girls start periods and develop breast and boys grow facial hair acne
ivann1987 [24]3 years ago
4 0

Answer:

Puberty is when a child's body begins to develop and change as they become an adult. Girls develop breasts and start their periods. Boys develop a deeper voice and facial hair will start to appear. The average age for girls to begin puberty is 11, while for boys the average age is 12.

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Write a paragraph on what is biology​
schepotkina [342]
Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.


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Hope this helps!!
4 0
3 years ago
Give a reason why an electron microscope cannot be used to study life specumen​
lesya [120]

Explanation: Electron microscopes are the most powerful type of microscope, capable of distinguishing even individual atoms. However, these microscopes cannot be used to image living cells because the electrons destroy the samples.

5 0
3 years ago
Which term describes the site of a muscle attaching to a moveable bone?
morpeh [17]

Answer:

Tendon

Explanation:

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7 0
3 years ago
Ileocecal sphincter tone decreases (relaxes) after distention of which structure?
stepan [7]
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3 years ago
Some organisms undergo asexual reproduction through mitosis, while others reproduce sexually, and their cells undergo meiosis to
Sav [38]
The answer is <span>A. Meiosis: It increases genetic variation, which helps ensure the species will survive.

Meiosis increases genetic variation. This means there is a great variety of genotypes among the population. Hence, there are organisms able to survive in a wider range of temperature. If </span><span>there were drastic changes in temperature in an ecosystem, some of the organisms will survive because their genotype allows them to live in such conditions. If there were no variety thanks to meiosis, all of the organisms would die. And that is not beneficial to a species.
Imagine on the other hand that mitosis occurred. Mitosis does not provide a variety of genotypes and all of the organism will be the same. </span><span>If there were drastic changes in temperature in an ecosystem, all of the organisms would die because all of them could respond to the change in the same way.</span>
5 0
3 years ago
Read 2 more answers
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