Why is reproductive isolation required for speciation to occur? if populations can interbreed, they are considered one species. if populations can interbreed, they do not exchange genetic information. reproductive isolation is not required for speciation because most different species can interbreed. reproductive isolation is not required for speciation because species are not defined by reproduction

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy