Vocabulary
A model that shows how much energy flows through a food web.
What is a food pyramid?
Why are decomposers important organisms in a food chain? 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?
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?
A network of organism that have some links in common.
What is a food chain?
Which is true regarding energy flow in a food chain? 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, the grasshopper is the? A) consumer B) producer C) prey D) decomposer
What is c, prey?
Consider this food chain: nuts=> squirrels=> hawks Which of these is the producer?
What are the nutss?
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?
green plants are examples of
What is a producer?
In a swamp, alligators and 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?