process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches

use energy from the environment to fuel the assembly of simple inorganic compounds into complex organic molecules

group of similar organisms that can breed and produce fertile offspring

a group of ecosystems that have the same climate and dominant communities

levels of organization

organisms>population>community>ecosystem>biome>biosphere

the scientific study of interactions among organisms and between organisms and their environment, or surroundings

process that releases energy by breaking down glucose and other food molecules in the presence of oxygen

links all the food chains in an ecosystem together

a series of steps in which organisms transfer energy by eating and being eaten

eat plant and animal remains and other dead matter, collectively called detritus

organisms that rely on other organisms for their energy and food suppy

when organisms use chemical energy to produce carbohydrates

step in a food chain or food web

diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web

elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another

single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem

an immediate increase in the amount of algae and other producers that results from a large input of a limiting nutrient

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bio chapter 3

Question	Answer
photosynthesis	process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
autotroph	use energy from the environment to fuel the assembly of simple inorganic compounds into complex organic molecules
species	group of similar organisms that can breed and produce fertile offspring
biome	a group of ecosystems that have the same climate and dominant communities
levels of organization	organisms>population>community>ecosystem>biome>biosphere
ecology	the scientific study of interactions among organisms and between organisms and their environment, or surroundings
cellular respiration	process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
food web	links all the food chains in an ecosystem together
food chain	a series of steps in which organisms transfer energy by eating and being eaten
decomposer	break down organic matter
detritivores	eat plant and animal remains and other dead matter, collectively called detritus
omnivore	eats plants and animals
carnivore	eats animals
herbivore	eats plants
heterotroph	organisms that rely on other organisms for their energy and food suppy
chemosynthesis	when organisms use chemical energy to produce carbohydrates
trophic level	step in a food chain or food web
ecological pyramid	diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web
biogeochemical cycle	elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another
limiting nutrient	single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem
algal bloom	an immediate increase in the amount of algae and other producers that results from a large input of a limiting nutrient

Created by: tayspinks30

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