Download Interactions Among Living Things

Name: ___________________________________________
Interactions Among Living Things
Across
1. a type of symbiosis in which one organism live with, in, or on a host and harms
it
2. the struggle between organisms to survive as they attempt to use the same
limited resources in the same place at the same time
3. a type of symbiosis in which both species benefit from living together
4. the process by which organisms that are best adapted to their environment are
most likely to survive and reproduce (2 words)
5. an organism that is killed and eaten by another organism in a predation
interaction
6. how an organism makes it living and interacts with the biotic and abiotic
factors in its habitat
8. an inherited behavior or physical characteristic that helps an organism survive
and reproduce in its environment
9. an organism that benefits by living with, on, or in a host and causes the host
harm
10. an organism that a parasite lives with, in, or on, and provides a source of
energy or a suitable environment for the parasite to live
11. any relationship in which two species live closely together and that benefits
at least one of the species
Down
1. an interaction in which one organism kills another for food or nutrients
5. the organism that does the killing in a predation interaction
7. a type of symbiosis between two species in which one species benefits and the
other species is neither helped nor harmed