Question

1. what do the arrows in a food web show?

a. the arrow points to the organism that is about to be eaten.
b. the longer arrows show more force being used to consume an organism.
c. the arrows show the direction of the flow of energy in a food chain.
d. the arrows indicate the time of day the organism is consumed.

1. an animal that eats carrion is known as

a. detritivore
b. omnivore
c. carnivore
d. carrionivore

1. producers are

a. organisms that can produce light
b. organisms that can produce their own heat
c. organisms that produce offspring
d. organisms that produce their own food

1. why are decomposers important to an ecosystem?

a. they help ensure the prey population does not get too large.
b. they break down dead and decaying animal and plant matter and return nutrients to the soil.
c. they make the apex predators stronger.
d. they can produce their own food using sunlight.

1. the top predator in a food web

a. is the primary consumer
b. is always an omnivore
c. is known as an apex predator
d. is always a mountain lion

1. a food web shows

a. one particular path of energy flowing an ecosystem
b. that energy available decreases as more organisms are consumed
c. multiple paths of energy flow within an ecosystem
d. all the possible consuming relationships within an ecosystem.

1. all energy flow in an ecosystem begins with sunlight.

a. true
b. false

Explanation:

1. In a food - web, arrows show the direction of energy flow from one organism to another.
2. A detritivore eats dead organic matter including carrion.
3. Producers are organisms that can produce their own food through photosynthesis.
4. Decomposers break down dead and decaying matter and return nutrients to the soil.
5. The top predator in a food - web is called an apex predator.
6. A food - web shows multiple paths of energy flow within an ecosystem.
7. Most energy flow in an ecosystem begins with sunlight as producers use it for photosynthesis.

Answer:

1. c. The arrows show the direction of the flow of energy in a food chain.
2. a. Detritivore
3. d. Organisms that produce their own food
4. b. They break down dead and decaying animal and plant matter and return nutrients to the soil.
5. c. Is known as an apex predator
6. c. Multiple paths of energy flow within an ecosystem
7. a. True