Unit 4 Test

1) What is the main energy source in this food web?

• A) producer (plant)
• B) decomposer
• C) cricket

1) What is the main energy source in this food web?

• A) producer (plant)
• B) decomposer
• C) cricket

2) What is missing in this food chain?

• A) a carnivore
• B) a producer
• C) a decomposer

3) A group of ONE kind of species living in one place is called a ______________.

• A) group
• B) population
• C) community
• D) ecosystem

4) How does the energy move through this food web?

• A) heron --> fish -> sun --> grass --> water bug
• B) sun --> grass --> water bug --> fish --> human
• C) water bug --> sun --> grass --> fish --> sun

5) Which can cause a harmful change to an ecosystem?

• A) pollution
• B) recycling
• C) reusing
• D) conservation

6) What is the role of a human in a food chain?

• A) producer
• B) consumer
• C) carnivore

7) Snakes only eat other animals. Snakes are ___________.

• A) herbivores
• B) omnivores
• C) carnivores

8) In a swamp, archerfish live among mangrove tree roots. There are also heron who feed on fish, frogs and insects. Which term describes EACH GROUP of living things?

• a) niche
• b) population
• C) community

9) Every food chain begins with a ____________.

• A) producer
• B) consumer
• C) predator
• D) prey