Energy Flow/Populations/Relationships Review

This model illustrates how each living thing gets food, and how nutrients and energy are passed from creature to creature?

• food web

• food chain

• energy pyramid

• consumer

This models describes the organisms in a particular ecosystem found in interconnecting food chains using pictures or words and arrows.

• food chain

• food web

• energy pyramid

This is a graphical representations of the energy flow in an ecosystem.

• food chain

• food web

• energy pyramid

What is any class of organisms that occupy the same position in a food chain, as primary consumers, secondary consumers, and tertiary consumers?

• energy pyramid

• food web

• secondary consumer

• trophic level

What is a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers?

• primary consumer

• producer

• secondary consumer

• tertiary consumer

In an energy pyramid the amount of potential energy available for each trophic level _____.

• remains the same

• increase over time

• decrease from bottom to top

• increases from bottom to top

In food chains, the flow of energy is ALWAYS _____.

• one way

• reversible

• two way

• uncontrolled

What is a primary difference between a food web and a food chain?

• chains contain many food webs

• webs contain several food chains

• omnivores are found only in food webs

• first level carnivores are unique to food chains

What are plants, produce their own food from the sun, water, carbon dioxide, and soil?

• decomposers

• consumers

• producers

• scavengers

On an energy pyramid they are usually animals that consumer plants and animals.

• consumers

• producers

• scavengers

• decomposers