Food web

All energy transformations in an ecosystem begin with

• a scavenger

• the sun

• a decomposer

• a herbivore

a deer population has significantly increased, the best hypothesis is 

• the deer's main predator has been eliminated

• competition increased

• decreased water levels of local ponds

• organisms that rely on similar food sources migrated to the area

Which relationship describes predator/prey

• hawks and shrubs

• mountain lion and deer

• frogs and trees

• grasses and crickets

a system of food chains that shows the transfer of energy  is termed

• food web

• food chain

• prey

• predator

an organism that can produce its own food through photosynthesis

• consumer

• heterotroph

• autotroph

• herbivore

Use the diagram answer the question.
What is a fitting description for this diagram?

• A Food Chain

• An Ecosystem

• A Food Web

• Biotic and Abiotic Factors

Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?

• Frog, Dragon Fly and snake

• Frog, trout and dragon fly

• Frog, salamander and trout

• Frog and phytoplankton

What is the study of the interactions among organisms and  between organisms and their environments called?

• Biology

• Ecology

• Astronomy

• Biosphere

The direction of the flow of energy in a food web is represented by ___.

• Light bulbs

• Dotted Lines

• Arrows

• Bubbles

Consumer that eats plants

• heterotroph

• herbivore

• producer

• community