Ocean Life and Evolutionary Adaptations Quiz

What is one of the key survival strategies for smaller ocean creatures?

• Building nests

• Developing speed

• Living in freshwater

• Hibernating

According to Darwin's theory, what drives the evolution of species?

• Divine intervention

• Climate change

• Natural selection

• Random chance

What significant evolutionary development occurred during the Cambrian explosion?

• The development of mineralized body armor

• The appearance of feathers

• The evolution of flight

• The emergence of mammals

What is a distinctive feature of ammonoids?

• Feathered wings

• Photosynthetic abilities

• Multi-chambered spiral shells

• Fur-covered bodies

How did ammonoids control their buoyancy?

• By using their tentacles

• By inflating air sacs

• By adjusting their shell thickness

• By pumping water in and out of chambers

What evidence suggests that ammonite shells were effective defenses?

• They were never found with bite marks

• They often had healed puncture marks

• They were made of unbreakable material

• They were invisible to predators

What was a likely cause of the ammonites' extinction?

• A viral outbreak

• Ocean acidification

• Overfishing by humans

• A new predator species

What environmental change contributed to the extinction of marine life at the end of the Cretaceous?

• Increased oxygen levels

• Ocean acidification

• Rising sea levels

• Decreased salinity

What was the impact of the Cretaceous mass extinction on mosasaurs?

• They became dominant land predators

• They went extinct

• They migrated to freshwater

• They evolved into birds

What is a modern concern related to ocean acidification?

• It enhances coral growth

• It strengthens fish bones

• It dissolves calcium carbonate structures

• It increases water temperature