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Marina86 [1]
3 years ago
9

A boy's first ejaculation, spermarche, usually occurs around age __________, more than a year after the body begins producing sp

erm. 12 13 14 15
Biology
1 answer:
serg [7]3 years ago
5 0
<span>A boy's first ejaculation generally occurs around age 13 a full year after the body begins producing sperm. While there is the potential for a 13 year old boy to father a child full fertility is reached between the ages of 14 and 16.</span>
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categorize the following characteristics based on whether they are describing chloroplasts or mitochondria.
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The categorization of the characteristics based on whether they are describing chloroplasts or mitochondria are as follows:

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<h3>What is a cell?</h3>

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<h3>What is mitochondria?</h3>

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Read more on mitochondria here: brainly.com/question/14861274

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<u>Complete Question:</u>

Categorize the following characteristics based on whether they are describing chloroplasts or mitochondria.

Chloroplasts Mitochondria

Carry out cellular respiration

Carry out photosynthesis

Found in plant and animal cells

Produce carbohydrates used as source of food for most living things  

Abundant in human muscle cells

Not found in animal cells

Contain chlorophyll

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CO2 is returned to the atmosphere by all methods except photosynthesis.
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