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Interactions Among Living Things

Across
Dwarf mistletoe is a plant that grows into the bark of a tree to obtain water and nutrients. The _______ is a host.
When a snake kills a shrew, the _____ is the prey.
A relationship in which two species live closely together and both _____ is mutualism.
A type of symbiosis in which both species benefit from living together.
The organism that benefits by living with, on, or in a host in a parasitism interaction.
The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time.
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.
The process by which organisms that are best adapted to their environment are most likely to survive and reproduce.
An increase in a predator population will likely result in a ________ in the prey population.
A type of symbiobis between two species in which one species benefits and the other species is neither helped nor harmed.
An organism that is killed and eaten by another organism in a predation interaction.
A type of symbiosis in which one organism lives with, on, or in a host and harms it.
Down
The _____ of an organism in its habitat is its niche.
Dwarf mistletoe is a plant that grows into the bark of a tree to obtain water and nutrients. The _______ is a parasite.
Any relationship in which two species live closely together and that benefits at least one of the species.
An interaction in which one organism kills another for food or nutrients.
When a snake kills a shrew, the _______ is the predator.
In natural selection, individuals whose unique _____ are well-suited for an environment tend to survive and produce more offspring.
Adaptations are behaviors and ________ characteristics that allow organisms to live successfully in their environment.
The two main kinds of _________ among organisms are competition and predation.
An example of an adaptation that helps a prey species avoid being caught is ________.
How an organism makes its living and interacts with the biotic and abiotic factors in its habitat.
An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment.
A grackle and a sparrow trying to _____ from the same ear of corn in a field is an example of competition.