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Science - Chapter 4 Les. 5 Vocab
Life Cycles
13
Science
4th Grade
12/05/2011

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Term
metamorphosis
Definition
change in form during an animal's development
Term
life cycle
Definition
the stages of growth and change in an organism's life
Term
life span
Definition
how long an organism is expected to live
Term
reproduction
Definition
the making of offspring
Term
regeneration
Definition
a whole animal develops from just a part of the original animal
Term
clone
Definition
an exact copy of the parents
Term
egg
Definition
female sex cell
Term
sperm
Definition
male sex cell
Term
fertilization
Definition
the joining of a male sex cell with a female sex cell to produce an egg
Term
embryo
Definition
a developing organism as a result of fertilization
Term
the six stages of a human's life cycle
Definition
1. birth 2. infancy 3. childhood 4. adolescence 5. adulthood 6.death
Term
the four stages of COMPLETE metamorphosis
Definition
1. egg stage 2. larva stage 3. pupa stage 4. adult stage
Term
the three stages of INCOMPLETE metamorphosis
Definition
1. egg stage 2. nymph stage 3. adult stage
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