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Select the corret statemet....

Select the corret statemet.

A

Tendril of a pea plant and phylloclade of Opuntia are homologous

B

Tendril of a pea plant and phylloclade of Opuntia are analogous

C

Wings of birds and limbs of lizards are analogous.

D

Wings of bird and wings of bat are homologous

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question of selecting the correct statement regarding homologous and analogous structures, we will analyze each statement provided in the question step by step. ### Step-by-Step Solution: 1. **Understanding Homologous Structures**: - Homologous structures are those that have the same basic design but may serve different functions. For example, the forelimbs of mammals (like humans, whales, and bats) have a similar bone structure but serve different purposes (grasping, swimming, flying). 2. **Understanding Analogous Structures**: - Analogous structures are those that serve similar functions but have different basic designs. For example, the wings of birds and insects both allow for flight, but they are structurally different. 3. **Analyzing Statement A**: - "The tendril of a pea plant and phylloclade of a Opuntia are homologous." - The tendril of a pea plant (used for climbing) and the phylloclade of Opuntia (a flattened stem that functions like a leaf) have different functions but share a similar basic structure. Therefore, this statement is **correct**. 4. **Analyzing Statement B**: - "The tendril of a pea plant and phylloclade of Opuntia are analogous." - Since we established that they are homologous, this statement is **incorrect**. 5. **Analyzing Statement C**: - "The wings of birds and the limbs of lizards are analogous." - Both the wings of birds and the limbs of lizards have a similar underlying structure (homologous) but serve different functions. Therefore, this statement is **incorrect**. 6. **Analyzing Statement D**: - "The wings of birds and wings of bats are homologous." - While both serve the function of flight, the structure of bird wings and bat wings is different. Thus, they are **analogous**, making this statement **incorrect**. ### Conclusion: The only correct statement is **Statement A**: "The tendril of a pea plant and phylloclade of Opuntia are homologous."

To solve the question of selecting the correct statement regarding homologous and analogous structures, we will analyze each statement provided in the question step by step. ### Step-by-Step Solution: 1. **Understanding Homologous Structures**: - Homologous structures are those that have the same basic design but may serve different functions. For example, the forelimbs of mammals (like humans, whales, and bats) have a similar bone structure but serve different purposes (grasping, swimming, flying). 2. **Understanding Analogous Structures**: ...
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