Aerobic respiration takes place in the mitochondria because?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important