Marine Invertebrates

Front

What is a marine invertebrate?

Back

Marine invertebrates are animals that live in the ocean and lack a backbone. Examples include jellyfish, sponges, and mollusks.

Front

What are the main characteristics of Echinoderms?

Back

Echinoderms have a water vascular system, tube feet, radial symmetry, and a calcareous endoskeleton. Examples include sea stars and brittle stars.

Front

What class of Mollusks includes clams, oysters, and mussels?

Back

Bivalves.

Front

What is the classification hierarchy starting from the largest group?

Back

Kingdom, Phylum, Class, Order, Family, Genus, Species.

Front

What is the function of pores in sponges?

Back

Sponges use pores to filter food from the water.

Front

What are the main groups of marine invertebrates?

Back

The main groups include Cnidarians, Mollusks, Echinoderms, and Arthropods.

Front

What is the defining feature of Cnidarians?

Back

Cnidarians are characterized by their stinging cells called cnidocytes, which they use for capturing prey.

Front

What is a common example of a Cephalopod?

Back

Common examples of Cephalopods include octopuses, squids, and cuttlefish.

Front

How do marine invertebrates contribute to their ecosystems?

Back

Marine invertebrates play crucial roles in food webs, nutrient cycling, and habitat formation.

Front

What is the role of the water vascular system in Echinoderms?

Back

The water vascular system helps Echinoderms move, feed, and breathe by using hydraulic pressure.