One way to remove dirt and harmful substances from water is by filtering.
Three lines of evidence that support the endosymbiotic theory:
1. The presence of membrane- Organelles like mitochondria and plastids have their own cell membranes, just like a prokaryotic cell does,
2. The presence of DNA- Each of these organelles have its own DNA genome, like a bacteria's genome, but much smaller.
<span>3. Reproduction (division)-Multiplication of the organelles occurs just like in bacteria, by division.</span>
A. once defined, an ecosystem is a unit scientists can analyze.
Answer:
chloroplasts, the cell wall, and vacuoles.
Explanation:
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Answer: Dopamine
Explanation:
It is made in the brain and also can be used as messengers particularly chemical messengers to relay message between nerve cells. It also help in how we feel pleasure and also assist us with that special ability to think first and then plan.
