Acontinental shelf is characterized by all of the following except: a. abundant life c. high amounts of sunlight b. shallow water d. steep drop offs answer is ( d ) im 100%

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

All ova contain sex chromosomes corresponding to: x y xx xy