Answer:
Everyone's larynx grows during puberty, but a girl's larynx doesn't grow as much as a boy's does. That's why boys have Adam's apples. ... This larger larynx also gives boys deeper voices. Actually, girls' voices get a little bit deeper as their larynxes get larger, too.
Explanation:
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Answer:
organelles
Explanation:
Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
Answer:
The nervous system and circulatory system
Explanation:
Answer:
Matter in an ecosystem:
- must be continuously replenished
- is recycled and reused
- is returned to the earth by decomposers
