LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
which of these are vestigial structures
A
wings of a butterfly
B
hip bones found in some species of snake
C
thick fur and lary of fat of some mammals in cold climates
D
sharp spines of a cactus
Explanation: 

Detailed explanation-1: -Pythons and boa constrictors have tiny hind leg bones buried in muscles toward their tail ends. Such features, either useless or poorly suited to performing specific tasks, are described as vestigial. They are also intriguing evidence of the evolutionary histories of species.

Detailed explanation-2: -What Are Vestigial Structures? Some organisms possess structures with no apparent function which appear to be residual parts from a past ancestor. For example, some snakes have pelvic bones despite having no legs because they descended from reptiles that did have legs.

Detailed explanation-3: -Sinuses. Human cheekbones hold the maxillary sinuses. Appendix. It is one of the most commonly known vestigial organs. Coccyx. Wisdom Tooth. External Ear. Nictitating Membrane. Tonsils. More to Explore:

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