Ch.4 Flashcards
All of the organisms living in an area together with their physical environment
ecosystem
the living and once living parts of an ecosystem, including all of the plants and animals
Biotic factor
The nonliving parts of the ecosystem; includes air, water, rocks, sand, , and temperature
Abiotic factor
an individual living thing
Organism
a group of organisms that can mate to produce fertile offspring
Species
All the members of the same species that live in the same place at the same time
Population
a group of various species that live in the same place and interact with each other
Community
a place an organism lives in
Habitat
The survival and reproduction of organisms with particular traits
Natural selection
a change in the genetic characteristics of a population from one generation to the next
Evolution
An inherited trait that increases an organism’s chance of survival and reproduction in a certain environment
Adaptation
The selective breeding of organisms by humans for specific characteristics
Artificial selection
The ability of one or more organisms to tolerate a particular chemical designed to kill it
Resistance
often found in extreme places
Archaebacteria
very common and can be found in soil and animal bodies
Eubacteria
