Which organisms are responsible for producing energy from the sun?
A. Heterotrophs
B. Decomposers
C. Autotrophs
D. Herbivores
C. Autotrophs
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
Which of the following is a biotic factor?
A. Temperature
B. Water
C. Soil
D. Tree
D. Tree
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
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
What heterotroph eats animals?
A. Omnivore
B. Carnivore
C. Decomposer
D. Herbivores
B. Omnivore
What do arrows in a food chain represent?
Energy / nutrient flow
What level of organization comes after population?
A. Organism
B. Ecosystem
C. Community
D. Biome
C. Community
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
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
The prefix "auto" in autotroph refers to?
A. through
B. instantly
C. against
D. self
D. self
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
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
What is another name for a Quaternary Consumer?
Apex Predator / Top Predator
The Mayfly is a food source for which 3 organisms?
Frog, salamander and trout
What are 2 examples of an autotroph that you might find in an aquatic ecosystem?
any 2 aquatic plants
What is the original source of energy in all food chains?
The sun
the term "Desert" would be part of which level
Biome

Q: What trophic level / or levels is the fox

Which of the following is a Secondary Consumer?
A) Antilope Squirrel
B) Brittlebrush
C) Collard Lizard
D) Wood rat
C) Collard Lizard
What kind of Heterotroph is the bird?
Omnivore
What is missing from this food chain:
Shrub -> ??? -> Insect Eating Bird -> Hawk
Grasshopper
What is the correct order of the levels of organization from smallest to largest?
Species/ Individual, Population, Community, Ecosystem, Biome, Biosphere
Only what percent of energy moves to the next trophic level?
10%

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