In the context of predator adaptations, what is the primary advantage of having eyes placed on the front of the face, as seen in lions?

The correct option is To enable depth perception for accurate prey location. Explanation The anatomical placement of eyes in animals is an evolutionary adaptation determined by their trophic level. Predators typically exhibit binocular vision, whereas prey animals generally possess monocular vision. Detailed Analysis: - To protect the eyes from vegetation. is incorrect: Protection from environmental hazards like vegetation is primarily the function of eyelids, eyelashes, and nictitating membranes, rather than the position of the eyes on the skull. - To detect predators approaching from the rear. is incorrect: Detecting threats from the rear or sides requires a wide, panoramic field of view. This is achieved by having eyes placed laterally (on the sides of the head), which is a characteristic adaptation of prey animals (e.g., deer, rabbits) to scan for predators. - To enable depth perception for accurate prey location. is correct: Eyes placed on the front of the face allow the visual fields of both eyes to overlap significantly. This overlap creates stereopsis (three-dimensional vision), which provides accurate depth perception. For predators like lions, the ability to judge distance precisely is essential for stalking and striking prey. - To enhance night vision capabilities. is incorrect: Night vision capabilities are determined by retinal physiology (such as a high density of rod cells) and the presence of the tapetum lucidum. While many predators possess night vision, this is distinct from the morphological adaptation of eye placement. Key Takeaway: Frontal eye placement facilitates binocular vision, granting the depth perception necessary for predation, while lateral eye placement offers a wide field of view for defense.

In the context of predator adaptations, what is th... - NCERT Class 6 Science MCQ

Solution

The correct option is

To enable depth perception for accurate prey location.

Explanation

The anatomical placement of eyes in animals is an evolutionary adaptation determined by their trophic level. Predators typically exhibit binocular vision, whereas prey animals generally possess monocular vision.

Detailed Analysis:

To protect the eyes from vegetation. is incorrect: Protection from environmental hazards like vegetation is primarily the function of eyelids, eyelashes, and nictitating membranes, rather than the position of the eyes on the skull.
To detect predators approaching from the rear. is incorrect: Detecting threats from the rear or sides requires a wide, panoramic field of view. This is achieved by having eyes placed laterally (on the sides of the head), which is a characteristic adaptation of prey animals (e.g., deer, rabbits) to scan for predators.
To enable depth perception for accurate prey location. is correct: Eyes placed on the front of the face allow the visual fields of both eyes to overlap significantly. This overlap creates stereopsis (three-dimensional vision), which provides accurate depth perception. For predators like lions, the ability to judge distance precisely is essential for stalking and striking prey.
To enhance night vision capabilities. is incorrect: Night vision capabilities are determined by retinal physiology (such as a high density of rod cells) and the presence of the tapetum lucidum. While many predators possess night vision, this is distinct from the morphological adaptation of eye placement.

Key Takeaway: Frontal eye placement facilitates binocular vision, granting the depth perception necessary for predation, while lateral eye placement offers a wide field of view for defense.

NCERT Class 6 Science — Chapter 4: The living organisms - characteristics and habitats

Options

Did you get this right?

Solution

Explanation

Your note

More from Chapter 4: The living organisms - characteristics and habitats

Keep practising Chapter 4: The living organisms - characteristics and habitats