Acell in the testis of a male chimpanzee (pan troglodytes) contains 48 chromosomes. it is about to undergo meiosis. how many molecules of dna will be present in the nucleus of the sperm cells just after meiosis?
a. 96
b. 48
c. 24
d. 12

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent