Unit 2 Test Review Lessons 5-8

A ​ (a)   shows many different ways that​ energy can flow through an​ ecosystem, while a ​ (b)   shows just one way.

• food web
• food chain
• food link

The arrows in a food web always point in the direction of the​ (a)   .

• consumer
• producer
• decomposer

The position a species occupies in the food web is its ______________.

• Trophic Level

• Ecological Niche

• Biomass Station

• Pyramid Location

Match the trophic level to the number that represents the organisms there.

• 4

• Primary Consumers

• 3

• Secondary Consumers

• 2

• Primary Producers

• 1

• Tertiary Consumers

Match the trophic level to the type of organism found there.

• 3

• Herbivores

• 2

• Carnivores/

  Omnivores

• 1

• Autotrophs

• 4

• Apex Predators

Match the following organisms to the correct category.

• Fox

• Primary Producer

• Rabbit

• Tertiary Consumer

• Grass

• Secondary Consumer

• Alligator

• Primary Consumer

Reorder the following members of a food chain from trophic levels 1-4.

• Polar Bear

• Seal

• Fish

• Phytoplankton

Reorder the following species of a food chain from trophic levels 1-4.

• Frog

• Grasshopper

• Grass

• Hawk

Categorize the following species by trophic level.

Groups:

(a) 1

,

(b) 2

,

(c) 3

,

(d) 4

• Grass

• Bumblebee

• Deer

• Black Bear

• Phytoplankton

• Squirrel

• Raccoon

• Polar Bear

• Mosquito

• Trees

• Great White Shark

• Tiger

Tertiary consumer is just another way to say ____________.

• Apex predator

• Decomposer

• Generalist

• Omnivore