Particulate Organic Matter

question 11

Multiple Choice

Particulate organic matter

• A) Is deposited on the deep-sea floor in a very irregular way, causing patchiness in food supply
• B) Reaches the deep-sea floor but is always too refractory to be of importance to the benthos
• C) Never reaches the deep-sea floor
• D) Arrives on the deep-sea floor continuously through the year as a drizzle of food supply for the deep-sea benthos

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Definitions:

In Situ Conservation

The conservation of genetic resources in natural populations of plant or animal species, such as the conservation of forest genetic resources in natural populations of tree species.

Ex Situ Conservation

The practice of preserving endangered species by removing part of the population from its natural habitat and maintaining it in controlled conditions.

Biodiversity Hotspot

A region with a high level of endemic species that is under significant threat from humans.

Habitat Corridors

Strips of natural habitat that connect separated populations of wildlife, facilitating movement and genetic exchange between them.