An Individual Found a Species of Giraffe on a Remote

question 130

Multiple Choice

An individual found a species of giraffe on a remote island,where every giraffe had the same neck length.A drought had apparently afflicted the island as the leaves below the level that the giraffes could reach were almost depleted.What would likely happen to the neck length of this species of giraffe over many generations if the environmental conditions continued?

• A)Neck length will increase.
• B)Neck length will decrease.
• C)Neck length will not change.
• D)Neck length will not change but leg length will.

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Definitions:

Xylem

A type of vascular tissue in plants responsible for the transport of water and minerals from the roots to other parts of the plant.

Phloem

A type of vascular tissue in plants responsible for transporting sugar (photosynthate) from leaves to other parts of the plant.

Evolutionary History

The chronicle of lineage development, adaptation, and diversification of organisms over time.

Gametophyte

The sexual and haploid phase in the life cycle of plants and algae that produces gametes through mitosis.