Answer:
D
Explanation:
Enzymes can only fit into the base it was made for.
Answer:
habitat
Explanation:
habitat is part of the ecosystem
niche describes ahow different organisms are linked
I think b would fit more as the mitochondria, d would be the endoplasmic reticulum, and e would be lysosomes
Answer:
a option
Explanation:
Please mark me brainliest