Food Web DOL Review

Based on the chart, which food chain best models a flow of energy in this ecosystem?

• Sun > Mosquitoes > Shrimp > Coyotes

• Sun > Algae > Shrimp > Red Drum

• Sun > Pygmy Sunfish > Shrimp > Wood Ducks

• Sun > Willow Oaks > Algae > River Otters

A food chain shows who’s eating what. It’s a sequence that tells us how living things are connected through the food they eat.  A plant or animal gives energy to, or gets energy from, the plants or animals  connected to it.  Which of the following needs energy to live?

• A mouse

• A maple tree

•  A person

• All of the above

In order for an organism to move, which of the following energy transformations must happen in its cells?

• Sound energy is transformed into light energy

• Mechanical energy is transformed into solar energy

• Chemical energy is transformed into kinetic energy

• Light energy is transformed into chemical energy

How can humans get energy?

• Only from eating animals

• By eating both plants and animals

• Only from eating plants

• Only from the sun

Some plants have stems that can hold water and have almost no leaves, which reduces water loss.  In which type of habitat would this be important?

• Grassland

• Rainforest 

• Swamp

• Desert

What is a food chain?

• A sequence of living things in which each one feeds on the one below it

• An intersection of many food chains

• A connection of flexible metal links 

• All of the above

What is a food web?

• A sequence of living things in which each one feeds on the one below it

• An intersection of many food chains

• A connection of flexible metal links 

• All of the above

Here is an example of a food chain 

(ALGAE>CLAM>SMALL FISH> LARGER FISH) Which of these is not a link in the food chain described above

• Turtles

• Algae

• Clams

• Small fish

Sometimes an animal can be both a predator and prey.  Check out the following food chain example Plant > Grasshopper > Rat > Snake

Which of the following is a rat’s predator? 

• Grasshopper

• Plant

• Rat

• Snake

Sometimes an animal can be both a predator and prey.  Check out the following food chain example Plant > Grasshopper > Rat > Snake

Which of the following is a plant predator? 

• Grasshopper

• Plant

• Rat

• Snake