The External Morphological Traits of Two North American Species of Tree

question 32

Multiple Choice

The external morphological traits of two North American species of tree frog ( Hyla versicolor and H . chrysoscelis ) are very similar; therefore, scientists use ____ to distinguish them.

• A) internal anatomy
• B) behavioral traits
• C) homologous appendages
• D) skin coloration
• E) analogous structures

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Definitions:

Document

A written, printed, or electronic record that provides information or evidence or that serves as an official record.

Internal Storage

The memory within a device used for storing data and applications permanently.

Computer

An electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results.

Modem

A device that modulates and demodulates signals for digital communication over telephone lines or other means.