1. What is the main characteristic of fungi? a) They are autotrophic b) They have chlorophyll c) They are heterotrophic d) They have a backbone

2. Which of the following is not a type of fungi? a) Mushroom b) Yeast c) Mold d) Sponge

3. How do fungi obtain nutrients? a) Through photosynthesis b) By absorbing nutrients from their surroundings c) By hunting and capturing prey d) By producing their own food

4. What is the main function of sponges in the ecosystem? a) They provide shelter for other organisms b) They produce oxygen through photosynthesis c) They are decomposers, breaking down dead organic matter d) They are pollinators, helping plants reproduce

5. Which of the following is not a characteristic of sponges? a) They have a soft body b) They have a hard exoskeleton c) They are filter feeders d) They live in aquatic environments

6. What is the main characteristic of echinoderms? a) They have a segmented body b) They have a hard exoskeleton c) They have radial symmetry d) They have a backbone

7. Which of the following is an example of an echinoderm? a) Starfish b) Earthworm c) Jellyfish d) Spider

8. How do echinoderms move? a) By crawling on their legs b) By swimming using fins c) By flying in the air d) By using their tube feet

9. What is the main characteristic of worms? a) They have a segmented body b) They have a hard exoskeleton c) They have radial symmetry d) They have a backbone

10. Which of the following is not a type of worm? a) Earthworm b) Flatworm c) Roundworm d) Sponge

Answer Key: 1. c) They are heterotrophic 2. d) Sponge 3. b) By absorbing nutrients from their surroundings 4. a) They provide shelter for other organisms 5. b) They have a hard exoskeleton 6. c) They have radial symmetry 7. a) Starfish 8. d) By using their tube feet 9. a) They have a segmented body 10. d) Sponge