Ch. 4 Key Terms Flashcards
Ecosystem
Is all of the organisms living in an area together with their physical environment.
Biotic factor
All of the organisms including animals fungi bacteria and plants
Abiotic factor
Nonliving parts of an ecosystem including Air,water,rocks,sand,light,and temperature.
Organsim
Is an individual living thing.
Species
A group of organisms that can mate to produce fertile offspring
Population
Is a group of the same species that live in the same place.
Community
A group of various species that live in that same place and interact with each other.
Habitat
The place an organism lives is called its habitat.
Natural Selection
The process by which individuals that are better adapted to their environment survive and reproduce with more success than less well adapted individuals do.
Evolution
A change in the genetic characteristics of populations to change.
Adaptation
An inherited trait that increases an organism change of survival and reproduction in a certain environment.
Artificial Selection
The selective breeding of organisms by humans for specific characteristics .
Resistance
Is the ability of one or more organisms to tolerate a particular chemical designed to kill it.
Archaea
Are often found in extreme places such as hot springs.
Bacteria
Are very common and can be found in many places including soil and animal bodies.
