the distribution of plants and animals according to environmental conditions, generally in a pattern of vertical banding (M3)
Salinity
salt content of water (C3, 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)
Ephemeral
lasting for a short time (M3)
Adaptation
a change in an organism or species that enables it to survive in a particular habitat (A3, C3, R3, M2, M3)