Energy for all life processes come from here.
sun
Process by which producers capture the suns energy.
photosynthesis.
A group of individuals of the same species living in a specific area at the same time.
a population
An interaction in which one organism captures and feeds on another organism.
predation
To use, change and use a again.
recycle.
An organism that captures and converts solar energy into chemical energy (food).
a producer or autotroph.
Links all food chains in an ecosystem..
a food web.
Collection of different populations that live together in an area.
a community.
An organism that derives its nutrients from another organism (a host), harming it in the process.
a parasite.
Compound that is essential for all life and ecosystem survival; the universal solvent.
water
Organism that must consume another organism for nutrients.
consumer or heterotroph
Energy or feeding levels within a chain or web.
trophic level
A collection of all organisms that live in a particular place interacting with their physical environment.
an ecosystem
Living components of an ecosystem.
biotic
Gases recycled between plants and animals.
oxygen & carbon dioxide
A heterotroph that returns nutrients from waste and dead matter to the soil.
decomposer.
Process that releases energy from food..
cellular respiration.
A group of ecosystems that have the same climate and dominant communities.
a biome.
Measure of an ecosystems variety of species.
biodiversity.
Element the makes up 78% of the atmosphere and is an essential part of the proteins and DNA found in organisms.
nitrogen
A place or area with a particular set of characteristics where only certain populations or species can live.
a habitat
Like photosynthesis, but captures the energy stored in chemical bonds of molecules, like hydrogen sulfide, in place of sunlight.
chemosynthesis.
The combined portions of the planet in which all life exists.
a biosphere.
Total amount of living tissue in an energy level.
biomass.
The movement of water through the biosphere.
Water cycle