In a forest, a tree falls on a swamp and kills the worm population reducing the population by half. the remaining population is characterized by a remarkable reduction in genetic diversity. which mechanism of evolution is exhibited here?

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

The relationship between intron and exon

How do disease caused by bacteria and disease caused by viruses react to antibiotics?