Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 50, Problem 10TYU
WRITE ABOUT A THEME: ORGANIZATION In a short essay (100–150 words), describe three ways in which the structure of the lens of the human eye is well adapted to its function in vision.
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Recall that the eye is composed of three layers or "tunics" — the fibrous, vascular, and nervous layers — which enclose two cavities that are separated from each other by the lens. Review the components of these three layers by matching each description with the appropriate letter in the figure below:
1. Fluid in the anterior portion of the eye that provides nutrients to the lens and cornea
2. The "whites" of the eye
3. Area of the retina that lacks photoreceptors
4. Contains smooth muscle that controls the shape of the lens
5. Nutritive (nourishing) layer of the eye
6. Layer containing rods and cones
7. Gel-like substance that helps support the eyeball
8. Pigmented smooth muscles that control pupil size
9. Most anterior component of the fibrous layer — your "window to the world"
10. Structure that changes shape to bend light toward rods and cones
Provide a step by step list of visual sensation through visual processing. Begin at light entering the
eye through signal transduction, to the circuitry involved in the brain in understanding the "what"
and "where" of the object. Be sure to review the specific criteria outlined in the rubric.
List the optical components of the eye and state the role of each one in the formation of an image?
Chapter 50 Solutions
Campbell Biology (10th Edition)
Ch. 50.1 - Which one of the five categories of sensory...Ch. 50.1 - Prob. 2CCCh. 50.1 - Prob. 3CCCh. 50.2 - How are otoliths adaptive for burrowing mammals,...Ch. 50.2 - Prob. 2CCCh. 50.2 - Prob. 3CCCh. 50.2 - Prob. 4CCCh. 50.3 - Contrast the light-detecting organs of planarians...Ch. 50.3 - Prob. 2CCCh. 50.3 - Prob. 3CC
Ch. 50.3 - Prob. 4CCCh. 50.4 - Explain why some taste receptor cells arid all...Ch. 50.4 - Prob. 2CCCh. 50.4 - Prob. 3CCCh. 50.5 - Contrast the role of Ca2+ in the contraction of a...Ch. 50.5 - Prob. 2CCCh. 50.5 - Prob. 3CCCh. 50.6 - Prob. 1CCCh. 50.6 - Contrast swimming and flying in terms of the main...Ch. 50.6 - WHAT IF? When using your arms to lower yourself...Ch. 50 - Sensory receptors transduce stimulus energy and...Ch. 50 - How are music volume and pitch encoded in signals...Ch. 50 - Prob. 50.3CRCh. 50 - Prob. 50.4CRCh. 50 - What are two major functions of ATP hydrolysis in...Ch. 50 - Prob. 50.6CRCh. 50 - Prob. 1TYUCh. 50 - The middle ear converts (A) air pressure waves to...Ch. 50 - Prob. 3TYUCh. 50 - Which sensory distinction is not encoded by a...Ch. 50 - The transduction of sound waves into action...Ch. 50 - Although some sharks close their eyes just before...Ch. 50 - Prob. 7TYUCh. 50 - EVOLUTION CONNECTION In general, locomotion on...Ch. 50 - Prob. 9TYUCh. 50 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 50 - Prob. 11TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Review how photoreceptors within the eye detect light and transmit that information to the brain, by identifying each lettered structure in the figure below and answering the questions that follow: A: B: C: D: E: F: G: Which structure responds to color?: Which structure responds to dim light and movement?: Which two structures release neurotransmitters in response to light?: Which structure binds to those neurotransmitters, relays an action potential, and releases a second set of neurotransmitters?: Which structure binds to this second set of neurotransmitters and relays an action potential through the optic nerve to the brain?: Which direction does light travel through the retina? Toward the choroid or away?: Which direction do neural signals travel through the retina? Toward the choroid or away?:arrow_forwardHow do we perceive stimuli in everyday life. Describe this pathway (do not list) for vision OR olfaction using the key words listed below. (Note: Be sure you can do this for sound and balance too) Start with the stimulus and end with its perception in the cortex. (Note: words are in no particular order). Key words for vision: photoreceptor, retina, light, visual cortex, optic nerve (CN II), action potentials, optic chiasm, optic tract, LGN of thalamus, “I see light!” Key words for olfaction: odorant, olfactory receptor cell, olfactory nerve (CN I), g-proteins, olfactory bulb, olfactory tract, olfactory cortex, action potentials, odor molecules. “I smell coffee!”arrow_forwardPlease ASAP> Thanku Which of the following statement about the eye is false: a.Retinal ganglion cells are the only cell type in the retina which fire action potential b.Rods are concentrated in the periphery of the retina c.Cones are concentrated in the fovea d.Cones are very sensitive to dim illuminationarrow_forward
- Using a line diagram, show how parallel rays of light are brought to a focus on the retina. Explain how this focus is maintained as the distance from the object to the eye is increasedor decreased (that is, explain accommodation).arrow_forwardThe function of the vertebrate eye is unusual compared with other processes found within the body. For example, the direction in which sensory information flows is actually opposite to the path that light takes through the retina. Explain the sequence of events involved in the movement of light and information through the structures of the eye and explain why they move in opposite directions. Compare this sequence to the functioning of the Mollusk eye.arrow_forwardExplain why different types of receptor cells and neural circuits are required for day and night vision.arrow_forward
- Please give answer What are the roles of the cornea, the iris, the pupil, and the lens in human vision?arrow_forwardOption #1: Pathways of Light to the Eye (10 points) Create a hand-drawn diagram/mind map that answers the question: "How does the eye transform light energy into neural messages?" Use color and create connections between concepts. Be sure to use the following terms: Accommodation Bipolar cells Blind spot Cones Cornea Feature detectors Fovea Ganglion cells Iris Lens Optic chiasm # Pupil Rods Transduction Virtual cortex Take a photo of your diagram/mind map and upload it. 80 F3 DOO 000 F4 $ % F5 Ը tv A MacBook Air > F6 44 F7 DII F8 & e DD F9arrow_forwardMention any five characteristics of the human eye that enable it to capture images in the real world.arrow_forward
- Discuss the duplicity theory of vision, summarizing theadvantage of having separate types of retinal photoreceptorcells and neural circuits for photopic and scotopic vision.arrow_forwardInclude a 5-10 sentence explanation of how the sheep’s eye senses light and relays that data to the brain to interpret visual information. Some pieces to consider: What path does the light travel? What structures and pigments does it interact with? How does the signal travel to the brain? Where in the brain is the data processed? How is this different in the high light vs low light? How might the sheep’s vision differ from our own?arrow_forwardRetina disease in diabetes and hypertension:a. Research the changes seen in the retina of patients with diabetes and hypertension.b. How do these retinal changes affect vision?arrow_forward
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Visual Perception – How It Works; Author: simpleshow foundation;https://www.youtube.com/watch?v=DU3IiqUWGcU;License: Standard youtube license