Vocabulary
An organism that eats only meat.
A) Omnivore
B) carnivore
C) Herbivore
What is a carnivore?
An animal that eats plants or other animals.
A)Consumer
B) Producer
C) Decomposer
What is a consumer?
A model that shows how much energy flows through a food web.
A) Food Pyramid
B) Food Chain
C) Food web
What is a food pyramid?
Why are decomposers important organisms in a food web?
A) They produce oxygen.
B) They prey on carnivores.
C) They are food for producers
D) They return nutrients to the soil
What is they return nutrients to the soil?
An organism that makes its own food.
A)Carnivore
B)Herbivore
C)Producer
What is a producer?
An organism that breaks down dead or decaying plant or animal material.
A)Consumer
B) Producer
C) Decomposer
What is a decomposer?
Consider the food chain: grass=> grasshopper=> frog=> snake What would happen in the ecosystem if the grasshopper population died?
A) snakes would eat the grasshopper
B) it would be fine, frogs prefer other insects anyway
C) it would be fine, the grass population would increase
D) the frog population would die from the decrease in their food supply
What is D, the frog population would die from the decrease in their food supply?
Which type of organism is a fungus?
A) carnivore
B) omnivore
C) herbivore
D) decomposer
What is D, decomposer?
An organism that eats only plants.
A) Omnivore
B) carnivore
C) Herbivore
What is an herbivore?
A network of food chains that have some links in common.
A) Food Web
B) Producer
C) Decomposer
What is a food web?
Which is true regarding an energy pyramid?
A) carnivores occupy a larger level than herbivores
B) herbivores occupy a smaller level than producers
C) consumers occupy the level below producers
D) producers and carnivores occupy the same level
What is B, herbivores occupy a smaller level than producers?
When a frog eats a grasshopper, how much of the grasshopper's energy is transferred to the frog?
A) 10%
B) 25%
C) 50%
D) 90%
What is A, 10%?
An organism that eats both plants and animals.
A) Omnivore
B) carnivore
C) Herbivore
What is an omnivore?
The struggle between organisms for the same resource.
A) competition
B) Fighting
C) Species
What is competition?
Which of the following organism is a secondary consumer in the food chain?
A) hawk
B) gorilla
C) squirrel
D) earthworm
What is a hawk?
How does the food chain start again after the decomposer does its' job?
A) because the decomposer spreads the seeds
B) because the decomposer must constantly stay busy to stay alive
C) because the decomposer breaks the dead or decaying organism down and the nutrients go back into the soil, causing any seeds that have been dispersed a good environment to reproduce
D) because the decomposer does not totally break the organism down and some of the organism is still alive
What is C, because the decomposer breaks the dead or decaying organism down and the nutrients go back into the soil, causing any seed that have been dispersed a good environment to reproduce?
A diagram that shows the flow of energy from one organism to another.
A) Food Chain
B) Ecosystem
C) Habitat
What is a food chain?
Non-native plant or animal species that have been introduced into an environment.
A)Native Species
B) Exotic Species
C) regular Species
What is an exotic species?
In a Mississippi swamp, alligators and great blue herons eat fish. Which type of organism is the great blue heron?
A) decomposer
B) carnivore
C) herbivore
D) producer
What is a carnivore?
A certain type of bear mainly eats trout. If the trout population declines, what will most likely happen to the bear population?
A) it will decrease
B) it will increase
C) it will remain the same
D) it will increase and then decrease
What is it will decrease?
In a Mississippi swamp ecosystem, would you expect the alligator or fish population to be bigger?
A) fish, because they feed more predators
B) fish, because alligators can't see them very well
C) alligators, because they are at the top of the food chain
D) alligators, because they have to eat a lot
What is A, because fish feed more predators?