Both the offspring (hybrid offspring) produced by donkeys and horses are infertile, sterile, cannot have its own offspring and both have 31 pairs of chromosomes each. Because of this, both horses and donkeys are considered as a separate species
Answer:
b
Explanation:
biologists do both very regularly example you grow bacteria in a lab but you observe amimals in there habitats
Answer:
The model cannot explain why planets appear to go backward and make loops in the sky. Explanation: As an example, the observation of the planet Mars shows that there are times where it seems to be moving forward at first, then back, and then forward again
Explanation:
I would say the 2nd one It helps growth and repair of cells of orgasms
But your school would probably say the 3rd one It helps remove toxins from the body to maintain homeostasis