BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 30, Problem 11SA
Summary Introduction
Introduction:
The eye is a sensory organ that detects the light and converts the image into electrical signals, and these signals are transferred to the visual cortex of the brain. The different parts of the eye include sclera, pupil, iris, cornea, lens, and retina. The specialized cells called photoreceptor cells receive the light and convert it to the neural signals.
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Investigation: Is a dog more closely related to a coyote or a wolf?
Gray Wolf
Species Name: Canis lupus
Color: Light gray to black
Size: 80-120 pounds, 2.5 feet tall
Appearance: broad snout, round ears, long tail
Coyote
Species Name: Canis latrans
Color: Light gray to brown
Size: 20-50 pounds, 1.5 feet tall
Appearance: narrow snout, pointed ears, long tail
Dog, Alaskan Malamute
Species Name: Canis lupus familiaris
Color: Gray and white or brown and white
Size: 70-80 pounds, 2 feet tall
Appearance: broad snout, round ears, long tail
1. Examine the images and descriptions above.
Underline any similarities between the dog and the wolf.
Place a star
next to any coyote traits that are similar to the dog.
2. Based on appearance alone, which do you think is the most closely related to a dog?
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