What characteristics do all organisms in the phylum Chordata share

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided