Honey bees have wings that are similar in shape and function to the wings of bats. The wings of honey bee wings do not have bones or share similar structures as bat wings. They do share any evolutionary history. This is an example of A: analogy. B: homology. C: monoplytic groups. D: sister taxa.

重心随着机翼上的载荷而移动。 A: The focal point moves in relation to the loads on the wings. B: Movement of the center of gravity is proportional to the loads on the wings. C: The center of gravity moves in relation to the loads on the wings

重心随着机翼上的载荷而移动。 A: The center of gravity moves in relation to the loads on the wings. B: Movement of the center of gravity is proportional to the loads on the wings. C: Movement of the center of gravity is proportionally the loads on the wings.

重心随着机翼上的载荷而移动。 A: The center of gravity moves in relation to the loads on the wings. B: Movement of the center of gravity is proportional to the loads on the wings. C: Movement of the center of gravity is proportionally the loads on the wings.

重心随着机翼上的载荷而移动。 A: The center of gravity moves in relation to the loads on the wings. B: Movement of the center of gravity is proportional to the loads on the wings. C: Movement of the center of gravity is proportionally the loads on the wings.

重心随着机翼上的载荷而移动。 A: The center of gravity moves in relation to the loads on the wings. B: Movement of the center of gravity is proportional to the loads on the wings. C: Movement of the center of gravity is proportionally the loads on the wings.

The two wings of the building are exactly ( ), which means the two wings are the same in size and shape. A: symmetrical B: reciprocal C: systematic D: reversible

If I had wings, I ________(fly ) to you.

Which is true? A: Bat wings evolved from bird wings B: Ears evolved from jaws C: Insects evolved from crustaceans D: Limbs evolved from fins

The texture of insect wings is only membranous, leathery and ( ) three kinds