Unit 7 test Flashcards
understand unit seven biology (33 cards)
ecology
these study of the interactions of organisms
habitat
the home of an organism
niche
the job and role of an organism
species
organisms that can breed with one another and produce fertile offspring
biotic
are living
abiotic
non-living
organisms
a single living thing
population
individuals of the same species in the same place at the same time
community
different populations having living in the same area at the same time
ecosystems
all of the biotic and abiotic factors in the area
biomes
ecosystems that span a large area and have characteristic biotic and abiotic factors
biospher
all of the areas on each where organisms live
autotrophs
capture energy and convert it to nutrients also known as producers
herterotrophs
must eat other things also known as consumers
detritrophs
eat decaying matter also known as decomposers
types of consumers
herbivores,carnivores, omnivores, detrivores
what is the sun when on the food chain
the starting source of energy
each step in a chain web is called?
trophies level
list the levels
1- is producers, and then the rest go up one number off EX.(2 - primary consumers)
pyramid of numbers
shows how many individuals are at each trophic level
how to find biomass?
g/m^2
how much energy makes it to the next trophic level?
10%
competition
interaction between organisms in which both require a resource that is in limited supply
predation
the killed of one living organism by another for food