Which of these organisms are the most closely related? remember, the name of an organism is the form of genus species.

a) nerodia spedon and nerodia fasciata

b) eudocimus albus and ardea albus

c) egretta thula and platalea ajaja

d) pituphis melanoleucus and thamnophis proximus

Dwarf galaxies are select one: a. relatively rare. b. not very bright c. mostly spiral shaped. d. none of these.

What element is able to combine with itself and hydrogen to form large molecules ?

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits