Unit 9 Pre-Quiz

Organisms in Class Chondrichthyes include _____ and _____

• Sharks, ray-finned fish

• Rays, ray-finned fish

• ray-finned fish, lampreys

• Sharks, rays

Organisms in class Reptilia share the characteristic of

• breathing with lungs at all stages of their life.

• having scales

• laying internally fertilized eggs

• all of the above.

Seals and sea lions belong to order _____, but have differences including that seals _____ and sea lions _____.

• Cetacea, have ear flaps, lack ear flaps

• Pinnipedia, have ear flaps, lack ear flaps

• Cetacea, lack ear flaps, have ear flaps

• Pinnipedia, lack ear flaps, have ear flaps

Whales, porpoises, and dolphins belong to order _____.

• Carnivora

• Cetacea

• Pinnipedia

• None of the above

Traits that make sharks and rays successful predators include

• a light cartilage skeleton

• backward-pointing denticles

• ampullae of Lorenzin

• lateral lines

• all of the above

Characteristics of ray-finned fish include (select all that apply)

• bony skeletons

• scales

• Swim bladders

• denticles

Marine reptiles do not include

• sea snakes

• saltwater crocodiles

• seven species of marine turtle

• 15 species of marine lizard

Members of class Aves share the characteristic of (select all that apply)

• feathers

• forelimbs that are wings

• a three-chambered heart

• laying internally fertilized eggs

The role birds play in marine ecosystems include (select all that apply)

• bring predators

• being prey

• transplanting mollusks to freshwater habitats

• providing nitrogen compounds to the ocean

Adaptations to marine environments exhibited by the various bird species include

• webbed feet

• the ability to "fly" underwater

• bill adaptations, such as the pelican’s pouch

• the ability to fly over wide expanses of water

• All of these