3. Which is not a characteristic of a bat?
A. Bats perform a number of valuable functions.
B. Bats are not rodents with wings, contrary to popular belief.
C. Bats can lay eggs like birds and fly during night time and day time.
D. Bats have good vision but are color-blind.
_4. Which of the following best supports the statement, "bats cannot see colors,
they have good vision in both dim and bright light"?
A. Most bats stay in darkness during the day and do their feeding at night
B. Most bats are not rodents with wings, contrary to popular belief.
C. Most bats can lay eggs like birds and fly during night time and day time.
D. Most bats perform a number of valuable functions.
Answers
3 Bats cannot lay eggs like birds and fly during the night time and daytime.
- Bats cannot lay eggs as they are not a part of the bird's company but rather are a part of the mammal family. They are viviparous like all other animals in the animal kingdom.
- Bats will fly at night as they are able to hear frequencies through ultrasonic waves which allow them to locate and catch insects at great speeds. This is called echolocation.
- Unlike birds, bats do not fly during the day as their primary motive is to hunt when they fly. Therefore, we cannot place them under the same category as birds that fly any time during the day as and when required.
4. Bats cannot see color yet have good vision in both dim and bright light because most bats stay in the darkness during the day and do their feeding at night.
- Bats are not colorblind in the way that humans understand colorblindness to be. Most animals in the animal kingdom are colorblind with either a limited range of colors or sight that serves only a particular purpose and nothing else.
- Bats see through UV and ultraviolet rays and therefore they use them to detect prey through their heat.
- This function is pretty common in the animal kingdom but it is heightened in bats which makes them special.
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Answer:
Bats do not lay eggs because they are mammals.
Explanation:
Most bats feed on insects, chasing down and capturing large quantities of their prey in flight. Bats are the only mammals that can truly fly. Most species of bats possess the ability to orient acoustically by echolocation. They emit short high-frequency sound pulses that are reflected from objects in vicinity.
Birds have feathers on wings to fly. These are modified from forelimbs. Bones provide support to these. The wings of the bat are the modification of skin. Skin modifies to fly and form a wing-like structure. So, the wings of bats and birds are not similar. Bat has mammary glands as a characteristic feature of mammals. Also, the bat is viviparous which is a mammalian character.
The structure of bones in both types of wings are similar. Because all bones in both types of wings are similar. Humerus, radius, ulna, and metacarpals are present. Also, these organs of both bat and birds provided support by muscles, nerves, and blood vessels. Both structures are analogous. Because their origin is not the same but the structure is similar and both are adapted to fly. These structures are part of convergent evolution.
Homologous structures are those structures in which origin is the same while functions are different just opposite to analogous structures. Homologous structures are part of divergent evolution.
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