A student is observing plant cells and animal cells under a microscope. Which of the cell structures would be found in both the plant and the animal cells when listed in the chart above?
A. nucleus
B. cell wall
C. chloroplast
D. large central vacuole

What did the first language sound like

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

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems