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oceanography ch15&16
| Question | Answer |
|---|---|
| What phylum contains sea jellies? | Cnidaria |
| Squid are the most intelligent invertebrates | false |
| What do most deep water consumers depend on for survival? | The productivity of the water column above |
| Brittle stars employ a unique evasive technique that involves detaching an arm if grabbed by a predator. | true |
| What do the simplest vertebrates lack? | jaws |
| What is the most effective anti-drag body plan? | Torpedolike |
| One adaptation that freshwater fishes have developed to regulate osmosis is by not drinking water. | true |
| Some animals are capable of synthesizing their own food, the simplest of all marine animals, the sponge, for example | false |
| Radially symmetrical organisms are round and have no right or left sides, molluscs, for example. The body of bilaterally symmetrical creatures have a left side and a right side that are mirror images of each other, jelly fishes, for example | false |
| High biodiversity within a community implies ____. | a wide variety of species within a given area & complex interactions among organisms |
| Primary productivity in estuaries is often extraordinarily low because of the lack of nutrients, poor variety of organisms present, weak sunlight, and the small number of niches available for life to take hold. | false |
| Not all vent-type communities are located on oceanic ridges, nor are they all in areas spouting hot water. Cold-seep communities tend to be ____ dramatic, but are theorized to be ____ widespread | less,more |
| Salt mashes often form in a(n) ____, which is usually a protected fresh water river outlet where salt water and fresh water mix. | estuary |
| The powerful force of crashing waves is called ____. | wave shock |
| Of the following marine habitats which is most devoid of life? | bathypelagic zone |
| The symbiotic interaction between pilot fish and coral shark is considered by many animal behaviorists to be a form of ____. | commensalism, in which the symbiont benefits and the host is unaffected |
| An organism that has a narrow tolerance for changes in environmental water salinity is said to be ____, while an organism that can adapt to a wide range of temperatures is said to be ____. | stenohaline, eurythermal |
| The symbiotic interaction between zooxanthellae and coral polyps is a form of ____. | mutualism, in which both creatures benefit from the relationship |
| A group of animals that shares morphology, complexity, and developmental history is taxonomically referred to as a ____. | Phylum |
| ____ are examples of species in the marine environment that most nearly approximate a uniform distribution of organisms within a community. | Garden eels and/or King penguins |
Created by:
truthfulness1992
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