atmosphere
this is the air that surrounds the earth. As you move further and further away from the earth the air becomes thinner and contains less oxygen
biosphere
part of Earth that supports life, including the top portion of the Earth's crust
ecosystems
community of living organisms interacting with each other and their physical environment
Aggresion
physical or verbal behavior intended to hurt or destroy
cuticle
A waxy layer that outlines the eperdimer walls
water
he major ingredient of the fluid inside the cells of organisms
carrying capacity
largest number of individuals of a particular species that an ecosystem can support over time
succesion
natural, gradual changes in the types of species that live in an area can be primary or secondary
Behavior
The way an organism reacts to changes in its internal condition or external environment
Vegtable
A plant part used as food
soil
mixture of mineral and rock particles, water, air, and remains of dead organisms
commensalim
type of symbiotic relationship in which one organism benefits and the other organism is not affected
pioneer species
species that break down rock and build up decaying plant materials so that other plants can grow
Conditoning
the process of learning associations between environmental events and behavioral responses
Cambium
A layer that produces xylem and pholem
sunlight
needed as an energy source for most life on earth
commuity
all the populations of different species that live in an ecosystem
climax commutity
end stage of ecological succession in which balance is in the absence of disturbance
courtship behavior
behavior that allows males and females of the same species to recognize each other and prepare to mate
angiosperm
Flower that produces seeds in fruit
Temperatures
most organisms must maintain a certain body temperature to survive.In most cases it ranges from 0 degrees C to 50 degrees C
consumer
organism that cannot create energy-rich molecules but obtains its food by eating other organisms
climate
avarge temp of and area
cyclic behavior
innate behavior that occurs in a repeating pattern
cellulose
A substance (made of sugars) that is common in the cell walls