Ecosystem Energy Review

Animal that gets its energy and nutrition from eating plants.

• Parasite

• Herbivore

• Carnivore

• Ominvore

Animal that gets its energy and nutrition from eating meat.

• Detritivore

• Ominvore

• Carnivore

• Herbivore

Organisms that produce their own food mostly through photosynthesis (producers). Examples are plants and algae.

• Ominvore

• Detritivore

• Heterotroph

• Autotroph

Heterotrophs that get energy and nutrition from dead or decaying organisms or their waste products and recycle nutrients back to the ecosystem.

• Producer

• Trophic

• Decomposer

• Autotrooph

The level in an Ecological pyramid that includes all the organisms that share the same place in a food chain.

• Trophic Levels

• Toxic Levels

• KeKe Levels

• Environmental Systems

which number on the diagram below sows the level of secondary consumers?

• 3

• 2

• 1

in an energy pyramid, which way does the energy transfer?

• from top of the pyramid to the bottom

• from the bottom of the pyramid to the top

• all of these

• none of these

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.