Select the correct answer. Which marine creatures show diurnal vertical migration?
A.
species of phytoplankton
B.
species of zooplankton
O c.
invertebrate nektons
OD
all species of plankton
E.
all species of nekton

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino

The transport tubes for food coming down the plants are called?