Grade 9 Ecology Unit Test

Front 1

What is a food chain?

Back 1

A succession of organisms in an ecological community that constitutes a continuation of food energy from one organism to another as each consumes a lower member and in turn is preyed upon by a higher member.

Front 2

What is a food web?

Back 2

The complex interconnection of food chains in an ecosystem. How one chain connects to another.

Front 3

What is an ecosystem?

Back 3

A community of organisms and the non-living physical environment in which they interact. All members of the community are linked by the flow of energy and nutrients throughout the system.

Front 4

What does biotic mean? Examples.

Back 4

The living components of an ecosystem. Feces, animal, plants, microorganisms.

Front 5

What does abiotic mean? Examples.

Back 5

The physical or non-living components of an ecosystem. Sunlight, water, weather, clouds.

Front 6

What is a producer?

Back 6

Organism that uses the energy form the sun to make its own food, typically through the process of photosynthesis. Their energy is storied as chemical energy in the form of sugars or carbohydrates. (aka, autotrophs).

Front 7

What is a consumer?

Back 7

An organism that obtains its food by eating other organisms. (aka heterotrophs).

Front 8

List the three types of consumers.

Back 8

PRIMARY CONSUMER - Feeds directly on plants.
SECONDARY CONSUMER - Feed on organisms that eat plants.
TERTIARY CONSUMER - Top carnivore.

Front 9

What is a carnivore, herbivore and omnivore?

Back 9

Carnivore - Meat/animal eater.
Herbivore - Plant eater.
Omnivore - Eats both plants and animals.

Front 10

What is a scavenger, detrivore and decomposer?

Back 10

Scavenger - Feeds on the bodies of larger dead animals.
Detrivore - Feeds on the bodies of smaller dead animals, dead plant matter and animal dung.
Decomposer - Eats dead or decaying organic matter then release nutrients to be used by other organisms. (Such as worms).