Download Student Friendly Vocabulary

Student Friendly Vocabulary
Environmental Science
C1S3
Interactions Among Living Things
1. adaptation
the behavior and physical changes of an organism that
allow it to survive
2. niche
an individual’s role in the ecosystem or how it makes its
living
3. competition
the struggle to survive when resources are limited
4. natural selection
changes that make an organism adapt to its environment
so that it can survive
5. predator/
predation
animal that does the killing/
the act of killing
6. prey
animal that gets killed
7. symbiosis
relationship between two species that benefits at least one
of the species
8. mutualism
a relationship between two species that benefits both
9. commensalism
a relationship between two species that benefits one and
the other is neither helped or harmed
10. parasitism
a relationship between two species in which one benefits
and the other is harmed
11. parasite
the organism that benefits when its host is harmed
12. host
the organism that is harmed by the parasite