Home
Flashcards
Preview
Science Final Ch. eco
Home
Get App
Take Quiz
Create
Ecology
the scientific study of interactions among organisms and between organisms and their environment surroundings
what does the biospere contain?
land, water, and air/atmosphere
species
groupd of organisms so silimar to one another that they can breed and produce fertile offspring
autotrophs
organisms that make their own food
what else are autotrophs called?
producers
heterotrophs
organisms that rely on other organisms for their energy and food supply
what else are heterotrophs called?
consumers
Carnivores
eat animals
herbivores
eat plants
omnivores
eat plants and animals
detritivores
feed on plant and animal remains and othe dead
decomposers
break down organic matter
food chain
a series of steps in which organisms transfer energy by eating and being eaten
food web
a feeding relationship in an ecosystem that forms a network of complex interactions
trophic level
each step in a food chaing or food web
who is first in the trophic levels?
producers
who is second, third, or higher in the trophic levels?
consumers
evaporation
when water changes from a liquid form to an atmospheric gas
transpiration
when water enters the atmosphere by evaporating from the leaves of plants
precipitation
water vapor condenses into tiny droplets that form clouds and returns to Earth's surface in the form of precipitiation
energy pyramid
show the amount of energy availabel at each level
biomass pyramid
show the amount of living tissue at each level
pyramid of number
show the number of organisms at each level
Author
KattthD
ID
129456
Card Set
Science Final Ch. eco
Description
Ecology
Updated
2012-01-21T21:37:03Z
Show Answers
Home
Flashcards
Preview