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Chapter 2 life science
STUDY FOR TEST!!!!!!!!!!!!!
14
Science
4th Grade
11/17/2009

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Term
ecosystem
Definition
all the living and nonliving things working together in an area
Term
climate
Definition
the kind of weather an area has over time
Term
emergent layer
Definition
the tops of trees in a rainforest
Term
canopy layer
Definition
the layer just underneath the trees in a rainforest, where most plants an animals live
Term
pollen
Definition
a powdery material that flowers need to make seeds 
Term
stamen
Definition
the part of a plant where pollen comes from
Term
pistil
Definition
the part of a plant where seeds are made
Term
pollination
Definition
the movement of pollen to the seed-making part of a flower 
Term
nectar
Definition
a sweet liquid formed inside flowers
Term
endangered
Definition
few left of that kind of living thing
Term
extinct
Definition
none of this kind of living thing left alive today
Term
adaptation
Definition
a body feature or way of acting that helps a living thing survive in its environment 
Term
camouflge
Definition
how a living thing might not be seen because it blends into its surroundings
Term
mimicry
Definition
how an animal may look like some kind of other living thing
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