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Science Interactions Chapter 9
Chapter 9 Vocabulary
23
Science
6th Grade
11/30/2007

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Term
Animal
Definition
many celled consumer that moves and has adaptations
Term
Adaptation
Definition
something that helps an organism survive
Term
Behavioral adaptation
Definition
an action or behavior that helps an organism survive
Term
structural adaptation
Definition
part of the body that helps an organism survive
Term
Sexual Reproduction
Definition
two parents are needed to reproduce, one male and one female
Term
Asexual Reproduction
Definition
Only one parent is needed for reproduction
Term
stages of Complete Metamorphosis
Definition

egg

larva

pupa

adult

Term

stages of Incomplete Metamorphosis

Definition

egg

nymph

adult

Term
vertebrate
Definition
Animal WITH a backbone
Term
invertebrate
Definition
animal WITHOUT a backbone
Term
endoskeleton
Definition
support system inside an animal's body
Term
exoskeleton
Definition
a support system on the outside of an animal's body
Term
Bilateral Symmetry
Definition
a body plan with left and right sides that match
Term
Radial Symmetry
Definition
a body plan where the mouth is in the center and body is all around it
Term
Asymmetrical  body plan
Definition

There is no recognizable plan. 

Term
Chordate
Definition
classification of animals that have gill slits and hollow nerve cords at some time in their lives.
Term
fertilization
Definition
when the egg from the female and the sperm from the male unite
Term
Internal fertilization
Definition
the egg and sperm unite inside the female's body
Term
external fertilization
Definition
The egg and sperm unite outside the body.  This takes place in water.
Term
Budding
Definition

A form of asexual reproduction

 

The new organism grows on the parent until large enough to survive independently

Term
regeneration
Definition

a type of asexual reproduction

 

The new animal grows from just a piece of the parent

Term
producer
Definition
an organism that makes its own food
Term
consumer
Definition
an organism that eats other organisms to obtain energy
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