Zoology Final Exam

Front

What class under the phylum Chordata has moist, scale-less skin?

Back

Amphibians

Front

Which organism's DNA will differ the most from birds?

Back

Sharks

Front

What is an invertebrate?

Back

An animal that lacks a backbone.

Front

Which invertebrate animals have stinging tentacles?

Back

Cnidarians

Front

What group does a sea sponge belong to?

Back

Porifera

Front

What are the main characteristics of amphibians?

Back

Moist skin, undergo metamorphosis, and typically have a life cycle that includes both aquatic and terrestrial stages.

Front

What are the four main classes of the phylum Chordata?

Back

Mammals, Birds, Reptiles, Amphibians, and Fish.

Front

What is the primary difference between vertebrates and invertebrates?

Back

Vertebrates have a backbone, while invertebrates do not.

Front

What are cnidarians?

Back

A group of invertebrates that includes jellyfish, corals, and sea anemones, characterized by stinging cells called cnidocytes.

Front

What is the significance of the phylum Porifera in the animal kingdom?

Back

Porifera, or sponges, are among the simplest multicellular organisms and play a crucial role in aquatic ecosystems.