An organism has 20 chromosomes in its body cells. Answer the following: Are the body cells diploid or haploid?
How many chromosomes are in the body cells?
When it makes sex cells, how many chromosomes are in those cells?
Are the sex cells diploid or haploid?
What is the process of making sex cells called?
What is the process by which it makes new body cells?
When the sex cells from the male and female combine, how many chromosomes are in the zygote?

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Which of these organisms have the greatest amount of cell specialized

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling