a biome of water plants and animals
the sending end of neoron cells; neuron end with little knobs on each branch.
major ecological grouping of plants and animals.
the lower back of brain; coordinates muscle movements.
the front part of brain; seat of all intelligence and thought.
one organism helped by another, but the second organsim is not affected.
thin gray layer over brain; responsible for high level thought.
the receiving end of a neuron;many pointed braches.
pertaining to animal and plant communities whichlive together in a similar environment.
clusters of individual neurons
the movement or plant growth due to the earth's gravity.
the growth of plants toward water.
two organsims living toghether to help each other.
the lowest part of the brain; the top of the spinal cord.
partial or complete loss of body motion or abiltiy to move.
one organsim lives off of another organsim (host) at the expense of the host.
the growth of plants toward sunlight.
one of four major bundles of ganglia gathered near the spinal column.
two oransims living in a close relationship with each other.
region between neurons that chemically passes on messages
the climate or geographic location generally corresponding to the latitudes of 30 degrees to 60 degrees.
a biome of land and animals
pland growth caused by some outside stimulus.