Studying Species Transplants Is a Way That Ecologists

question 57

Multiple Choice

Studying species transplants is a way that ecologists

• A) determine the abundance of a species in a specified area.
• B) determine the distribution of a species in a specified area.
• C) develop mathematical models for distribution and abundance of organisms.
• D) determine if dispersal is a key factor in limiting distribution of organisms.
• E) consolidate a landscape region into a single ecosystem.

---

Definitions:

Retina

A thin layer of tissue at the back of the eye that contains cells sensitive to light, which trigger nerve impulses that pass via the optic nerve to the brain.

Upside-Down Image

Refers to the way images are projected onto the retina in the eye, which the brain then interprets and flips to the correct orientation.

Retina

The light-sensitive layer of tissue at the back of the inner eye that converts light images into nerve signals sent to the brain.

Optic Disks

The point in the eye where the optic nerve connects to the retina, lacking photoreceptors, and creating a blind spot.