Aquatic Invertebrates Quiz

What are aquatic invertebrates?

• Organisms that live in water and have a backbone

• Organisms that live on land and lack a backbone

• Organisms that live in water and lack a backbone

• Organisms that live in water and have a backbone

What role do aquatic invertebrates play in ecosystems?

• They are primary producers

• They break down organic matter

• They are top predators

• They provide oxygen

Why are some aquatic invertebrates considered valuable for environmental monitoring?

• They are easy to catch

• They are sensitive to pollution

• They are large in size

• They are colorful

What is the first step in the activity instructions?

• Examine your envelope

• Identify each species

• Read and take notes

• Determine pollution tolerance

What should students do after reading the background information?

• Write a report

• Examine their envelope

• Conduct an experiment

• Present their findings

What is the role of aquatic invertebrates in the food chain?

• They are primary producers

• They serve as food sources for fish and other animals

• They are top predators

• They decompose dead plants

What is the importance of studying aquatic invertebrates?

• To learn about land animals

• To understand water pollution

• To measure water temperature

• To identify plant species

What should you do if your sample does not match any scenario?

• Choose the closest match and justify your choice

• Start over

• Ignore the sample

• Ask a friend for help

Which species require high oxygen levels and are sensitive to pollutants, especially in areas with low water flow?

• Dragonfly Nymphs

• Mayfly Nymphs

• Aquatic Worms

• Leeches

Which species can tolerate some pollution and moderate oxygen levels but still require relatively clean water for optimal survival?

• Dragonfly Nymphs

• Mayfly Nymphs

• Aquatic Worms

• Midges