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

levels of organization

species, population, community, ecosystem, biome,biome, biosphere (smallest to largest)

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

a group of organisms so similar to one another that they can breed and produce fertile offspring

use energy from the environment to fuel the assembly of simple inorganic compounds into complex organic molecules/a producer is an organism that makes its own food

when autotrophs use light energy from the sun to power chemical reactions that converts carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches.

when organisms use chemical energy to produce carbohydrates.

heterotroph/consumers

organisms that rely on other organisms from their energy and food supply

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

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

when the feeding relationships among the various organisms in an ecosystems form a network of complex interactions

the process by which the chemical energy of food molecules is released and partially captured

each step in a food chain or web

shows the relative amounts of energy available at each trophic level. organisms use about 10% of this energy for life process. the rest is lost as heat.

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

when an ecosystem is limited by a single nutrients that is scarce or cycles very slowly

when an aquatic ecosystem receives a large input of a limiting nutrients--foe example, runoff from heavily fertilized fields--the result is often an immediate increase in the amount of algae and other producers

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Chap 3 BIO VoCAB

Question	Answer
ecology	is the scientific study of interactions among organisms and between organisms and their environment, or surroundings
levels of organization	species, population, community, ecosystem, biome,biome, biosphere (smallest to largest)
biome	a group of ecosystems that have the same climate and dominant communities
species	a group of organisms so similar to one another that they can breed and produce fertile offspring
autotrophs/producers	use energy from the environment to fuel the assembly of simple inorganic compounds into complex organic molecules/a producer is an organism that makes its own food
photosynthesis	when autotrophs use light energy from the sun to power chemical reactions that converts carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches.
chemosynthesis	when organisms use chemical energy to produce carbohydrates.
heterotroph/consumers	organisms that rely on other organisms from their energy and food supply
herbivore	eat plants
carnivore	eat animals
omnivore	eat plants and animals
detritivore	eat plants and animal remains and other dead matter, collectively called detritus
decomposers	break down organic matter
food chain	a series of steps in which organisms transfer energy by eating and being eaten
food web	when the feeding relationships among the various organisms in an ecosystems form a network of complex interactions
cellular respiration	the process by which the chemical energy of food molecules is released and partially captured
trophic level	each step in a food chain or web
ecological pyramid	shows the relative amounts of energy available at each trophic level. organisms use about 10% of this energy for life process. the rest is lost as heat.
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 through these cycles.
limiting nutrients	when an ecosystem is limited by a single nutrients that is scarce or cycles very slowly
algal bloom	when an aquatic ecosystem receives a large input of a limiting nutrients--foe example, runoff from heavily fertilized fields--the result is often an immediate increase in the amount of algae and other producers

Created by: 15_mzuerlein

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