Zonation

the distribution of plants and animals according to environmental conditions, generally in a pattern of vertical banding (M3)

Osmoregulator

organism that is able to control salt concentrations in its bodily tissues (M3)

Osmoconformer

organism that is not able to control salt concentrations in its bodily tissues (M3)

Neap tide

a tide of minimum range occuring during the first and third quarters of the moon (M3)

Littoral zone

intertidal zone; the transition area between land and the ocean (M3)

Intertidal zone

the area between the normal limits of high and low tides; the transition area between land and the ocean (M3)

Adaptation

a change in an organism or species that enables it to survive in a particular habitat (A3, C3, R3, M2, M3)