biomes
Dry with no water
1 animal
individual
Biotic
All living things
Atmosphere
All gas parts of earth
Who studies populations with geographic range?
Ecologists
cold permafrost vast
What is a community?
Populations that live together
Symbiosis
a close and permanent relationship between 2 species
All rock parts of earth
Geosphere
Does bacteria reproduce slow or rapidly?
Rapidly
Semi-dry, low shrubs, low precipitation
Chapparal
All ecosystems on earth
Transpiration
Release of water vapor from plants
All water parts of earth
Hydrosphere
The number of individuals that can be found per unit area is called an areas ________.
population density