Umm.. Planting trees gives us more trees...we need trees because they provide oxygen,food(some trees), resources(such as paper), homes for animal(where eles will the squirrel live).
All of these are not part of the life cycle. It's man-made. Think of it in biology terms - something that's created genetically.
Answer:
chloroplast
Explanation:
chloroplast helps in the presence ofsunlight to aid photosynthesis
