In a haploid sexual life cycle, meiosis occurs
a. at any stage in the life cycle
b. in cells of multicellular individuals
c. immediately after a zygote is formed
d. at the time when an individual. reaches its mature size

What is earths lithospheric plates interact at

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?