Why are some organisms able to survive some ecosystems but not in others?

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

d. planting trees

the trees take in carbon to make oxygen.

not always but somethings can be reproduced in a laboratory.

answer is d hope this