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What are some basic defense strategies, or adaptations, that help organisms avoid becoming prey?
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What are some ways organism’s adaptations help them survive other than defense from predators?
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What the three forms of symbiotic relationships?
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What are the three major types of interactions among organisms?
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If two species try to occupy the same niche, they will compete directly against each other, and one species eventually will _______off.
die
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The process by which individuals that are better adapted to the environment are more likely to survive and reproduce than others is called ___________________ .
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What is the study of how the biotic and abiotic factors interact within an ecosystem?
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What is a relationship in which one species benefits and the other species is neither helped nor harmed is called?
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A symbiotic relationship in which both species benefit is called _____________.
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An organism that benefits by living on or in a host in parasitism is a___________.
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The organism that a parasite lives on or in is called the _______.
host
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__________ involves one organism living inside another organism and harming it.
Parasitism
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An organism that does the killing is called the __________.
predator
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An organism that is killed is called the _____________.
prey
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The interaction in which one organism kills and eats another is called ________.
predation
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___________________ is the close relationship between species that benefits at least one of the species.
symbiosis
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The struggle between organisms for the limited resources in a habitat is called ________________.
competition
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The behaviors and physical characteristics of species that allow them to live successfully in their environment are called __________.
adaptations
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An organism’s particular role, or how it makes its living, is called its _________.
niche
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Escherichia coli, live in the intestines of most mammals. Their job is to break down some foods that the mammal cannot ____________. The bacteria benefit by receiving food and a place to live. You also benefit from the relationship because bacteria help you digest your food. This bacteria also provides you with Vitamin __, a nutrient that is needed to make your blood clot.
digest/K
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