Oort cloud: a spherical region that surrounds the solar system, that extends from the kuiper belt to almost halfway to the nearest star, and that contains billions of comets
Answer:
I don't know. but a human can swim inside an blue whales main heart aterary comfortably.
Explanation:
plz mark me brainlyist :)
<span>Guarana i think but i'm not very sure</span>
The variations might help the organism to survive if there is a change in its environment
Eg heat resistant bacteria
The variation might help the organism survive predators
Eg. Green beetles blend with green leaves thus disabling crows to spot them
:)
