Vocabulary
An organism that eats only meat.
What is a carnivore?
An animal that eats plants or other animals.
What is a consumer?
What is an event or example that would disrupt a food chain?
What is a hurricane, a tornado, a forrest fire, flood etc.
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?
Can an organism be part of more than one food chain? A) no, because it cannot be predator and prey at the same time B) no, because the arrows in a food web can only flow in one direction C) yes, because it can be prey for more than one organism D) yes, because it may live in more than one environment
What is C, because it can be prey for more than one organism?
An organism that makes its own food.
What is a producer?
An organism that breaks down dead or decaying plant or animal material.
What is a decomposer?
Consider this food chain: grass=> grasshopper=> mouse => snake Which organism is an herbivore?
What is the grasshopper?
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.
What is an herbivore?
A network of food chains that have some links in common.
What is a food web?
Consider this food chain: blackberries=> bird=> cat Which organism is the carnivore?
What is the cat?
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.
What is an omnivore?
The struggle between organisms for the same resource.
What is competition?
Consider this food chain: acorns=> squirrels=> hawks Which of these is the producer?
What are the acorns?
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.
What is a food chain?
Give two examples of a producer.
What is the sun and grass. or grains and seeeds
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?