Shared Flashcard Set

Details

Ecology- Kylee Rosado
Ch.3 notes
22
Biology
9th Grade
01/16/2007

Additional Biology Flashcards

 


 

Cards

Term
Ecology
Definition
the scientific study of interactions among organisms and between organisms and their environment, or surroundings
Term
Biosphere
Definition
combined portions of the planet which all of life exists, including land, water, and air, or atmosphere
Term
Species
Definition
a group of organisms so similar to one another that they can breed and produce fertile offspring
Term
Populations
Definition
groups of individuals that belong to the same species and live in the same area
Term
Communities
Definition
assemblages of different populations that live together in a defined area
Term
Ecosystem
Definition
collection of all the organisms that live in a particular place, together with their non-living , or physical environment
Term
Biome
Definition
a group of ecosystems that hav the same climate and similar dominate communities
Term
autotrophs
Definition
only plants, some algae, and certain bacteria can capture enery from sunlight or chemicals and use that energy to produce food
Term
Producers
Definition
organisms that can make their own food
Term
Photosynthesis
Definition
organisms that use light energey to power chemical reactions that convert carbon dioxide and water into oxygen and energy rich carbohydrates such as sugars and starches
Term
chemosynthesis
Definition
when organisms use chemical enery to produe carbohydrates
Term
heterotrophs
Definition
organisms that rely on other organisms for their engery and food supply
Term
consumers
Definition
also know as consumers
Term
herbivores
Definition
only eats plants
Term
carnivores
Definition
only eat animals
Term
omnivores
Definition
eats both plants and animals
Term
detrivores
Definition
feed on plant and animal remains and othe dead matter
Term
decomposers
Definition
breaks down organic matter
Term
food chain
Definition
a series of steps in which organisms transfer engery by eating and being eaten
Term
food web
Definition
links all the food chains in an ecosystem together
Term
trophic level
Definition
each step in a food chain or a food web
Term
ecological pyramid
Definition
a diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web
Supporting users have an ad free experience!