C. octopi are invertebrates and fish are vertebrates.
Answer:
The "fight or flight" response
Explanation:
Answer: D
Explanation:
Many unicellular organisms live in bodies of water and must move around to find food. Most often, they must obtain nutrients by eating other organisms. Plant-like protists, and some types of bacteria, can make their own food through photosynthesis.
I think the correct answer is D
A warm air does always rise and cold air falls
