D. because if they're not careful they become extinct by predators, then they have to be careful to survive by staying alert.
Please help.
autism
Answer:
• covers the body and makes up inner lining
• protects against damage, dust, bacteria
Explanation:
It is not C
I don't think its A
do you have like a lesson or textbook that can help you?
because information like that is going to be in your textbook...
Bleach
workesgood it takes off all the stuff good