Which of these is a biotic factor in a forest
a. climate
b. trees
c. terrain
d. water

Trees  is a Biotic factor in a forest

Explanation:

The living parts of the ecosystem is called as the biotic factor. These biotic factor influences the the structure and shape of the ecosystem.In the given options trees is the only living component. so tree is the only biotic factor. Trees are the most important factor of forest ecosystem.

Trees dominate the forest ecosystem, it contains many species in a small area. In forest, trees bring unique combination of genetical and biological species. Trees are the most longest lived creatures on the earth, Forest trees have wide range of genome size.

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.

the supermassive black hole is in the middle of the galaxy.