exam 2 marine eco

Which is NOT a symbiotic relationship?

Algae growing on manatees

Coral colonies that attack other species of corals and replace them are engaged in:

Interspecific interference competition

Which is an example of commensalism?

 Isopods attaching to large fish

The competitive exclusion principle applies primarily to:

Species

Which is the most K-selected species?

Whale

Increased niche partitioning in an ecosystem leads to:

HIgher diversity

Which is an example of amensalism?

Algal blooms generating anoxia

Which is NOT a characteristic of fast swimming fish relative to slow fish?

Undulatory body

In general, animals living deeper in the ocean have ________ digestive tracts relative to their body size.

Longer

 If you were looking for new pharmaceuticals in macroalgae, you would be most likely to find useful compounds in which habitats?

Tropical

Consider a simple food chain: tuna → flying fish → copepods → algae. If this food chain has top-down control and the tuna are overfished, what will happen to algal abundance?

Increase

What is the main advantage of coprophagy?

  An animal gets more nutrition out of its food

Which provides more protection to offspring?

Sharks

Diseases tend to be more prevalent in communities with:

Low diversity

 Which is NOT an example of commensalism?

Harmful Algal Blooms generating anoxia

Character displacement occurs when:

Niche partitioning occurs

Bacteria producing toxic compounds while decomposing a food source is an example of:

 Interspecific interference competition

Which is NOT an advantage for an alga to live inside a coral?

More competition

 A species lives within a certain region of the intertidal zone. The lower boundary of where it lives is most likely the result of:

Competition`

Habitats that experience frequent catastrophic disturbances tend to have organisms that produce:

Many small offspring

Relative to K-selection, which is generally NOT a characteristic of r-selected life history strategies?

Later age of sexual maturity

 Intrauterine cannibalism in some species of sharks is an example of:

 Intraspecific interference competition

Assume a fish species has compensatory mortality. A fish hatchery for this species will result in _______ adult fish.

The same number of

The Paradox of the Plankton is relevant to all of the following EXCEPT:

Phytoplankton are evolutionarily behind their herbivores

When a new habitat is formed, the first species to colonize it are most likely to have which characteristic?

 Faster growth rate