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PRESENTATION OUTLINE

CHAPTER 33

MUTUALISM:
A symbiotic relationship in which both species benefit.

-example ; bees & flowers

Photo by Adhi Rachdian

COMMUNITY:
Assemblage of populations interacting with one another within the same environment.

-example; a physical neighborhood in which people live

Photo by Tony Webster

COMPETITION:
Interaction between two organisms in which both require the same limited resource, which results harm both.

-example; two lions fighting for one gazelle, squirrels fighting over an acorn

Photo by Georg Sander

Habitat:
A place where an organism lives and is able to survive and reproduce.

-examples; houses for humans, burrows for groundhogs, caves for mountain lions

Photo by David Bygott

Mimicry:
Superficial resemblance of two or more species

-example; grasshopper that resemble grass or leaves

Photo by Gerry Dincher

CHAPTER 34

FOODCHAIN:
The order in which one population feeds on another in an ecosystem.

-example;
leaves -> caterpillars -> tree birds -> hawks

Photo by rubyblossom.

DECOMPOSER:
Organism that breaks down organic matter into inorganic nutrients that can be recycled in the enviroment.

-examples; fungi and bacterium

Photo by jillmotts

HERBIVORE:
Plant eater; primary consumer in a food chain.

-examples; rabbits, giraffes, caterpillars, koalas etc.

Photo by Rennett Stowe

AUTOTROPHS:
Organism that can capture energy and synthesize organic molecules from inorganic nutrients.

-examples; trees and small plants

Photo by ecstaticist

CARNIVORE: Meat eater; secondary consumer in the food chain.

-examples; lions, hawks, bears, etc.

Photo by Etrusia UK