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Exam 12: Life in the Ocean

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Question 21

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Hydrogen sulfide is a high-energy molecule that can be used to make carbohydrates through the process of chemosynthesis.

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Question 22

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Roughly ____ of the biomass consumed by any consumer is stored in the consumer as flesh.

A) 5 percent
B) 10 percent
C) 15 percent
D) 25 percent

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Question 23

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The process by which accumulated adaptations result in superficially similar animals derived from different stock is called ____.

The zone of ocean water where photosynthetic organisms have enough light to thrive is called the ____.

The three domains of living things are the Eukarya, Bacteria, and ____.

Though it is difficult to generalize for the ocean as a whole, the bottom of the euphotic zone is about ____ deep in mid-latitudes.

Nitrogen and phosphorous can be depleted by photosynthetic organisms during times of high productivity.

An organism's metabolic rate increases as ____ increases.

Consumers that eat primary producers are called ____.

An important part of Darwinian natural selection is that traits must be inheritable.

When the concentrations of dissolved substances in water on either side of a cell membrane are the same, the situation is described as being ____.

The average pH of seawater is about ____.

Most marine organisms have an internal temperature very close to that of their surroundings. They are known as ____ organisms.

Which wavelength of light penetrates to the greatest depth in ocean water?

The movement of water through a cell membrane from a region of high concentration to a region of low concentration is called ____.

Organisms that cannot make their own food are called ____.

A tuna is an example of a top consumer.

Beneficial inheritable structural or behavioral traits are known as ____.

____ are responsible for the vast majority of the ocean's primary productivity.

The scientific name of an organism includes the genus and species name.