By Studying the Data Collected from Isle Royale,ecologists Have Discovered

question 48

Multiple Choice

By studying the data collected from Isle Royale,ecologists have discovered that a large wolf population correlates to vigorous tree growth.Which statement best explains this pattern?

• A) Wolves decrease the moose population,which consumes trees as its main diet.
• B) When there is a large wolf population on the island,the moose swim to the mainland.The decrease in moose allows for more tree growth.
• C) The remains of moose carcasses fertilize the soil,which allows for increased tree growth.
• D) all of these
• E) none of these

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Definitions:

Asexually

Reproduction without the combination of genetic material from two different parents, often involving a single organism reproducing by itself.

Archegonia

The female reproductive structure in ferns, mosses, and some conifers, where the egg cell is produced and fertilization occurs.

Gametangia

Specialized organs found in fungi and plants that produce gametes, the male and female reproductive cells.

Gametophytes

The sexual phase in the life cycle of plants and algae that produces gametes, or reproductive cells.