What is the primary source of energy in most ecosystems?(1 point)

Question

Responses

sunlight
sunlight

producers
producers

decomposers
decomposers

consumers
consumers
Question 2
2. In a food web, which trophic level typically contains the greatest amount of energy?(1 point)
Responses

secondary consumers
secondary consumers

tertiary consumers
tertiary consumers

primary consumers
primary consumers

producers
producers
Question 3
3. Which of the following best describes the role of decomposers in an ecosystem's food web?(1 point)
Responses

They directly compete with producers for resources.
They directly compete with producers for resources.

They produce energy through photosynthesis.
They produce energy through photosynthesis.

They break down organic matter and return nutrients to the soil.
They break down organic matter and return nutrients to the soil.

They consume primary consumers for energy.
They consume primary consumers for energy.
Question 4
4. What happens to the energy as it moves through successive trophic levels in a food chain?(1 point)
Responses

It remains constant
It remains constant

It decreases
It decreases

It increases
It increases

It fluctuates
It fluctuates
Question 5
5. Which of the following terms refers to a network of interconnected food chains within an ecosystem?(1 point)
Responses

food pyramid
food pyramid

food web
food web

food chain
food chain

energy pyramid
energy pyramid
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Answer 1

sunlight

producers

They break down organic matter and return nutrients to the soil.

It decreases

food web