Zoology midterm

Ava is visiting an aquarium and notices that some mollusks, like clams and mussels, tend to stay in one place, while others move around more. Based on her observations, which class of Mollusks have many species that are somewhat sedentary?

• Gastropods

• Bivalves

• Cephalopods

• arthropods

While visiting an aquarium, William sees the animal in the picture and wonders which group of Mollusks it belongs to. Can you help him identify it?

• Gastropod

• Bivalve

• Cephalopod

Ava is learning about how her body maintains balance and gets rid of waste. She wants to know which body system regulates homeostasis and removes fluid and waste by eliminating excess water, salts, and wastes.

• Excretory

• Integumentary

• Endocrine

• Lymphatic 

Priya is observing earthworms in her garden. She notices that they have setae, which are like bristles that help them ___.

• move

• eat

• reproduce

Charlotte is studying different types of worms in her biology class. She wants to know: What class do earthworms belong to?

• Polychaeta

• Oligochaeta

• Hirudinida

• None of the listed classes

While exploring a garden, Avery finds a worm and wonders about its body structure. What feature does the body of an annelid like this worm have?

• Segments

• stinging tentacles

• a shell

• a backbone

Benjamin is researching different types of worms for his biology project. He discovers that most annelids are ____________.

• terrestrial

• marine

Jackson went to a barbecue and ate some undercooked meat. Later, he learned that Trichinella worms can be passed to a host by eating _____________.

• nightcrawlers

• calamari

• contaminated meat

• mosquitos

Answer explanation

Abigail is studying a diagram that shows different types of insects and their features. She notices the point labeled G on the diagram. What feature is most likely represented by G?

• wings

• segmented body

• Double set of wings

• legs

Priya is studying the internal anatomy of an earthworm in her biology class. She comes across a diagram with several labeled structures. The structures labeled F are the 

• Nephridia

• Pseudohearts

• Crop

• Setae