Heterotrophs/ Autotrophs
Food Chains
Ecosystems
Trophic Levels
Food Webs
100

Which organisms are responsible for producing energy from the sun?
A. Heterotrophs
B. Decomposers
C. Autotrophs
D. Herbivores

C. Autotrophs

100

What is a food chain?
A. Shows energy transfer using one line
B. An interconnected network of energy transfers
C. A chain that holds food in place
D. All of the organisms in one ecosystem

A. Shows energy transfer using one line

100

Which of the following is a biotic factor?
A. Temperature
B. Water
C. Soil
D. Tree  

D. Tree

100

Which of the following is an example of a primary consumer?
A. Bird eating a grasshopper
B. Oak tree making food from sunlight
C. Grasshopper eating grass
D. Bacteria breaking down dead leaves

C. Grasshopper eating grass

100

What is a food web?
A. Shows energy transfer using one line
B. An interconnected network of energy transfers
C. Where a spider catches food
D. A pyramid showing number of organisms

B. An interconnected network of energy transfers

200

What heterotroph eats animals?
A. Omnivore
B. Carnivore
C. Decomposer
D. Herbivores

B. Omnivore

200

What do arrows in a food chain represent?

Energy / nutrient flow

200

What level of organization comes after population?
A. Organism
B. Ecosystem
C. Community
D. Biome

C. Community

200

What is the correct order of the first 4 trophic levels in a food chain from lowest to highest?

Producer - Primary Consumer - Secondary consumer - Tertiary consumer 

200

In a food web, energy flows from:
A. Consumers to producers
B. Decomposers to herbivores
C. Producers to consumers
D. Carnivores to omnivores

C. Producers to consumers

300

The prefix "auto" in autotroph refers to?
A. through
B. instantly
C. against
D. self

D. self

300

Which of these would be on the bottom of the food chain? Which would be at the top?

mouse, hawk, insect, grass, snake, rabbit

Bottom - Grass

Top - Hawk

300

Which of the following is included in ecosystems but not species, populations and communities?
A. Abiotic Factors
B. Biotic Factors
C. Animals
D.Plants

A. Abiotic Factors

300

What is another name for a Quaternary Consumer?

Apex Predator / Top Predator

300


The Mayfly is a food source for which 3 organisms?

Frog, salamander and trout

400

What are 2 examples of an autotroph that you might find in an aquatic ecosystem?

any 2 aquatic plants

400

What is the original source of energy in all food chains? 

The sun

400

the term "Desert" would be part of which level 

Biome

400


Q: What trophic level / or levels is the fox

Secondary AND Tertiary Consumer
400

Which of the following is a Secondary Consumer?
A) Antilope Squirrel
B) Brittlebrush
C) Collard Lizard
D) Wood rat

C) Collard Lizard

500

What kind of Heterotroph is the bird?

Omnivore

500

What is missing from this food chain: 

Shrub -> ??? -> Insect Eating Bird -> Hawk 

Grasshopper

500

What is the correct order of the levels of organization from smallest to largest?

Species/ Individual, Population, Community, Ecosystem, Biome, Biosphere

500

Only what percent of energy moves to the next trophic level?

10%

500

If you wanted to add a decomposer to this food web, what organism would you say it would consume?
A) Grasses
B) Hawk
C) Frog
D) All of the above

D) All of the above