EVERYDAY SCIENCE

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BIOLOGICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which kind of a structure is it? A bat’s wing and a butterfly’s wing?
A
Homologous
B
Analogous
C
Vestigial
D
Pharyngeal
Explanation: 

Detailed explanation-1: -Butterfly possesses wings with fold of membranes associated with muscles and no bones. But the wings of bat are supported by their bones. They have same function which is flying. Such organs which have different origin but same function are called analogous organs.

Detailed explanation-2: -For example, insects use wings to fly like bats and birds, but the wing structure and embryonic origin is completely different. These are analogous structures (Figure 2). Similar traits can be either homologous or analogous.

Detailed explanation-3: -Solution : The wings of the butterfly and bat are called analogous organs because they are similar in function and differ in their structural details and origin.

Detailed explanation-4: -The wings of a butterfly and the wings of a bird are analogous, but not homologous.

Detailed explanation-5: -A great example of analogous structures are a bat’s wing and a bee’s wing. Bats and bees do not share common ancestry, so the structures cannot be homologous. Both bat wings and bee wings serve a common purpose-helping bats and bees fly!

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