Answer:
German Zoologist discovers Theodor Schwann that animal were made from cell
The horse and donkey, though closely related by sharing a common ancestor, are different species. They have different number of chromosomes hence pairing of homologous chromosomes during fusion of gametes becomes complicated. The mule will have an extra chromosome from the horse hence will have abnormalities such as sterility. A Mule is unable to reproduce due to this same phenomenon. Homologous chromosomes are not well paired for meiosis I.
Answer:
Enzymes can only be used once
Explanation:
Enzymes are there forever
Mutualism is when two organisms are involved and they both benefit where as parasites is when two organisms are involved, but one is benefitted while the other is harmed.
-Hope I helped!
They can both be used to identify organisms. Also, the phenotype of an organism is different depending on the genotype of the organism, making them relate to one another.
Hope this helps. Good luck! :)