a series of distinct growth stages that are different from one another
the animal goes through 4 distict changes
an immature stage that does not resemble the adult
a non-feeding stage in which a hard case-like cocoon surrounds the organism
the animal goes through 3 stages that occur gradually
similar to an adult form, but is smaller and lacks wings and reproductive structures
out of body joining of egg and sperm
joining of sperm and egg cells inside a female body
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