Which scientist observed tiny pond organisms using his microscope and called them animalcules?

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

In what layer of the sun is energy transfers between atoms

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups