Which event takes place during anaphase ii of meiosis ii?
a. sister chromatids separate.
b. cytoplasm divides.
c. spindle fibers disassemble.
d. nuclear membrane breaks down.

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.