Ecosystem (Symbiosis and Levels or Organization)

Which of the following correctly describes a tertiary consumer?

• A carnivore that feeds on upon other consumers for example hawks, sparrows

• A carnivore that at the topmost level in the food chain or food web that feeds on other carnivores.

• Feeds on plants or autotrophs for example mice, grasshoppers

• They make all the food or energy found in the ecosystem.

Temperature, soil, water are examples of

• biotic factors

• abiotic factors

• ecosystem

• habitat

Organisms living together with another organism in close association

• commensalism

• mutualism

• symbiosis

• parasitism

The interaction of biotic and abiotic factors with a given area

• habitat

• ecosystem

• community

• biotic factors

Which of the following is not an example of parasitism?

• ticks on a dog

• barnacles on a whale

• fleas on a cat

• heartworms in a dog

All the members of the same species in a specific arrea

• community

• biome

• population

• ecosystem

Members of different species in a specific area

• organism

• population

• biosphere

• community

Which of the following answer choices describes herbivores role in a food web?

• Hawks, snakes, wolves, bears

• Mice, rabbits, giraffes, and grasshoppers etc

• Plants, flowers, trees, grass, etc

• Sharks, hawks, rats, mice

At this level on a food pyramid energy is at 100 percent

• primary consumer

• producer

• tertiary consumer

• secondary consumer

Organisms ability to make its own food

• symbiosis

• autotrophs

• heterotroph

• consumer