An Animal That Has a Hemocoel, Muscles Attached to the Inside

question 51

Multiple Choice

An animal that has a hemocoel, muscles attached to the inside of a rigid exoskeleton, and a complete digestive tract would most likely be a(n)

• A) nematode.
• B) annelid.
• C) arthropod.
• D) mollusk.
• E) arrow worm.

---

Definitions:

Decomposer

Organisms, such as bacteria and fungi, that break down dead organisms and waste materials, recycling nutrients in ecosystems.

Fungi

A kingdom of complex organisms that obtain nutrients by breaking down organic material, including molds, yeast, and mushrooms.

Secondary Consumer

An organism that primarily eats primary consumers, which are herbivores that eat producers like plants and algae, situating it in the middle level of the food chain.

Organic Compound

A compound consisting of a backbone made up of carbon atoms.