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15 terms

Interactions Among Living Things, 1-3

Key concepts from section 1-3
STUDY
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natural selection
process by which individuals that are better adapted to the environment are more likely to survive and reproduce
adaptations
behaviors and physical characteristics of species that allow them to live successfully in their environment
Competition, Predation, Symbiosis
the three major types of interactions among organisms
competition
the struggle between organisms to survive in a habitat with limited resources
predation
an interaction in which one organism kills and eats another
predator
the organism that does the killing
prey
the organism that is killed
predator adaptations
adaptations that help predators catch and kill their prey (eg: claws, sharp teeth, stingers)
prey adaptations
adaptations that help organisms avoid becoming prey
camouflage
the ability to blend in with surroundings
protective coverings
body coverings such as spines to keep predators away
warning coloring
bright body colors that warn predators to stay away
mimicry
the ability of an organism to look like a more dangerous organism and scare away predators
false coloring
spots on an organism that confuse predators (eg: false eyes on fish)
niche
an organism's particular role, or how it makes its living, in an ecosystem