Ch 2 Test Flashcards
Non living parts if an organisms environment, ex: air, temp, light
Abiotic factors
Organism that use energy from the sun or energy stored in chemical compounds to manufacture their own nutrients
Autotroph
Portion of the earth that supports life, extends from high in the atmosphere to the bottom of the ocean
Biosphere
Living factors
Biotic factors
One species benefits and the other species is neither harmed nor benefitted.
Commensalism
Collection of interacting populations
Community
How organisms interact in nature
Ecology
Interaction among populations in a community’s physical surroundings
Ecosystem
Place where an organism lives
Habitat
Both species benefit
Mutualism
Role and position a species has in it’s environment; how it meets it’s needs for food and shelter
Niche
One organism derives benefit at the expense of the other
Parasitism
A group of the same organism and how they interact to survive
Population
Living together
Symbiosis
An organism that breaks down and absorbs nutrients from dead organisms
Decomposed
A simple model that scientists use to show how matter and energy move through an ecosystem
Food chain
All possible feeding relationships at each trophic level in a community
Food web
Organisms that cannot make their own food and must feed on other organisms
Heterotrophs
Organisms that eat animals that are already dead
Scavengers
A feeding step or passage of energy and materials
Trophic levels
List 3 abiotic factors you might see.
Water, dirt, weather
List an example of the following: Organism Population Community Ecosystem Biosphere
Cardinal 4 cardinals Cardinals and bluejays Cardinals, bluejays, trees, weather Anything on earth
