Marine Biology Questions

Porpoises have _______ teeth.- Conical- Baleen- Arrow- Spade

What is rorqual?- Coutershading coloration- Migration patterns- Multiple blowholes- Pleating of the throat

Who was hunted for their soft, thick, dense fur?- Elephant Seals- Walruses- Otters- California Sea Lions

Who is the Keystone Predator here?- Sea Urchin- Giant Kelp- Sea Otter- Sheephead

Who has the highest metabolic rate?- Otter- Sea Lion- Elephant Seal- Polar Bears- Walrus

Thermoregulators are organisms that are able to maintain a constant internal temperature.- True- False

For Pinnepeds, Males are usually larger than females, and can sometimes have harems of many females.- True- False

What kind of turtle is this?- Leatherback- Green- Hawksbill- Pacific Ridley

When temperatures are higher than a specific threshold, turtles will produce more female than male offspring.- True- False

Many marine mammals have larval stages that drift in the open ocean before settling in a suitable are for adulthood.- True- False

Which of the following is NOT a characteristic of being a Mammal?- Relatively large brains- Mammary glands- Hair- Homeotherms- Ovipary

Is this a harbor seal, California sea lion, otter, or elephant seal?- Otter- Elephant Seal- Seal- California Sea Lion

Which organisms breach? Choose all that apply.- Dolphins- Humpback Whales- Great White sharks- Orcas

Which organisms have leathery eggs?- All choices are correct- None of the answers are correct- Salt Water Crocodiles- Sea Turtles- Sea Snakes- Sea Birds

What are the individual plates on the back of a turtle shell called?- Plates- Scales- Scutes- Plasteron- Carapace

Which of the following mammals does NOT use blubber to stay warm?- Harbor Seal- Elephant Seal- Otter- California Sea Lion

Catadromous species are those that- Live in the ocean, but migrate to fresh water to reproduce- Feed on small floating particles- Live in fresh water, but travel to the ocean to reproduce- Have live birth

Which phylum does this organism belong to?- Porifera- Echinodermata- Cnidaria- Mollusca- Arthropoda- Annelida

Who is bilateral as a larvae and pentaradial as an adult?- Arthropoda- Arthropods- Porifera- Ctenophora- Echinoderms- Playhelminthes- Cnidarians

Which one is the female?- Left- Right- They both are, but two different species of crab- You cannot tell from this picture