Unit A Section 1 Flashcards
Ecosystem
Any place or location where living and nonliving things interact.
Ex… a forest, a lake, and a compost heap
Biotic Factors
The living parts of an ecosystem.
Ex… trees, animals, and microorganisms
Abiotic Factors
The nonliving parts of the ecosystem
Ex… soil, wind, rock, water, and air
Species
a group of animals, plants or other living things that share common characteristics and are able to reproduce.
Ex… a bee is a member of one of many species of bees.
a group of organisms of the same species that live in a particular area.
Ex… all the bees in this species living together in one area form a population.
population
all the populations of different species that live and interact in the same place form a community.
Ex…In a pond ecosystem, tadpoles, mosquito larva, birds, and bushes all share the same community.
Community
A relationship between different species which benefits either or both species.
Symbiotic Relationships
One species receives the benefit the other is unaffected.
Ex… A bird’s nest in a tree.
Commensalism
One species benefits while one is harmed
Ex… Mosquitoes and humans
Parasitism
both species benefit
Mutualism
Behavioral adaptation
Learned characteristics from an animal
Physical characteristic (skin, scales, feet, wings, mouth parts
Structural adaptation
Predator and prey
Predation
