Ecology

The Biosphere:

• Is all the water on, above and below Earth’s surface

• Is the rocky outer shell of Earth.

• Describes all the locations in which life can exist.

• Acts like a blanket providing us with moderate temperatures, protecting us from solar radiation, and ultraviolet light.

Bacteria, fungi, and earthworms are all considered to be:

• consumers

• producers

• decomposers

• secondary consumers

Organisms which are able to make their own food are called:

• herbivores

• omnivores

• carnivores

• producers

A group of organisms of different species that live and interact together is referred to as a(n) no

• community

• ecosysyem

• population

• biome

• none of the above

An abiotic factor found in a pond would be a(n):none of the above

• snail

• sand

• algae

• seaweed

Populations:

• Are all of the individuals of a single species in a particular area

• Are made of both living and non-living components

• Are individuals from all of the populations

• Are all the biotic factors within a particular area

All of the biotic (living) organisms in an area make up the..

• population

• species

• ecosystem

• community

Which sequence shows increasing ecological levels of organization?

• organism, population, community, ecosystem

• ecosystem, population, organism, community

• community, ecosystem, population, organism

• population, organism, ecosystem, community

Which term best classifies all of the student’s observations?

• population

• food chain

• ecosystem

• community

Nonliving factors of an enviroment are also known as

• biotic

• abiotic

• psychotic

• limiting

Tags

NGSS.MS-LS2-3