Answer:Three challenges of life would be finding food and shelter and surviving .
Explanation:
A scientific model can be used to test a hypothesis.
C) matter is changed into various forms but the total quantity remains unchanged.
<span>A genetic mutation occurs when there is a permanent change in the nucleotide sequence of the DNA. The error falls in to 3 main groups; Deletion, substitution, or an addition of base pairs. The main reason why mutations are fatal are because of the rapid cell development that can cause cancer.</span>
Answer:
able to move using specialized structures
Explanation:
Animal like protists have ability to move with short cilia and flagella. And they get energy from other source. Explanation: Euglena can moves through flagella and can produced its own food.
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