adaptations
Changes animals make to increase
their chances of survival.
adapted
Changed to increase chances of
survival.
appendages
Parts of an animal attached to the
main body, such as arms or legs.
bioluminescence
A chemical process that makes
some animals glow.
brood parasites
Animals who rely on other species to
raise their young.
evolved
Changed over time.
feces
The bodily waste of an animal.
instinct
A natural behavior.
invertebrates
Animals that do not have backbones.
nutrients
Substances that support life.
predator
An animal that kills and eats another
animal.
prey
An animal that is killed and eaten by
another animal.
vessels
Veins, arteries, and capillaries that
carry blood in the body.
Glossary
30
