After which event has evolution occurred?
a. a new predator comes into an environment
b. an individual is born with 6 fingers on one hand instead of 5
c. an animals white winter coat is replaced by a darker coat in the spring
d. an allele frequency in a population changes over time

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)

What maintain homeostasis when a persons internal body temperature is 97.5°f

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.