Glossary of APES Chapter 4 Vocab Words

Start Studying! Add Cards ↓

Portion of earch in which living (biotic) organisms exist and interact with one another and their nonliving (abiotic) environment
Group of interacting individuals of the same species that occupy a specific area at a specific time
A complex interacting network of plants, animals, and microorganisms
A community of different species interacting with one another AND with their nonliving environment of matter and energy
An organism that can synthesize its own food
Can't synthesize the nutrients that it needs to survive
Symbiotic relationship
A close, prolonged association between two or more different organisms of different species that may, but does not necessarily, benefit each member.
Both organisms benefit from each other
Two things that live benefits and the other isn't affected
1 organisms benefits, one is harmed (tapeworm)
The place where a population (or individual organism) normally lives
The "job" or "role" that an organism plays in an ecosystem
Use solar or chemical energy to make their own food
Organisms that cannot synthesize the nutrients they need to survive (must get from some other source...heterotrophs)
An organism, often a bacterium or fungus, that feeds on and breaks down dead plant or animal matter, thus making organic nutrients available to the ecosystem.
Food Chain
Sequence of organisms, each of which is a source of food for the next. Determines how energy and nutrientes move from one organism to another through the ecosystem
Food Web
A complex network of interconnected food chains in an ecosystem
Energy Pyramid
Pyramid that shows the relative energy available at each "level" in an ecosystem
Ecological Succession
Process where a natural community moves from simpler organisms to more complex ones
Carrying Capacity (K)
The maximum number of individuals that a given environment can support without detrimental effects (toatl NPP [Net Primary Productivity])

Add Cards

You must Login or Register to add cards