Make an observation, form a question, form a hypothesis.
Answer: sponges are the cleaners of the water around the corals , coral feeders , and healers in a sens
Explanation:
D) orbit the nucleus like the planets orbit the sun.
this idea was first proposed in the rutherford model:)
Chloroplasts are only found in plant cells because it is the organelle that makes photosynthesis possible and it makes food for the plant cells as in it makes its own food and animal cells dont need them because animals eat other animals for that food