Question

true or false: a scientist is examining two fossilized skeletons of what he believes are extinct whales. both have: tail bones, teeth, and front limbs. however, one has very small back legs the other has very long back legs. he is using the evolutionary species concept to identify them as two different species.

Answer 1

True . A scientist is examining two fossilized skeletons of what he believes are extinct Whales. both have: tail bones, teeth, and front limbs. however, one has very small back legs the other has very long back legs. he is using the evolutionary species concept to identify them as two different species.

Whales not required to maintain the body mass in the water, the skeleton is light and basic. The fatty marrow in the spongy bones, which are coated in a thin coating of compact bone, formerly made up a third of the whale's oil production.The flippers in whale skeletons feature homologous bones (humerus, radius, ulna, and phalanges organised in digits) found in other animals, including humans, as shown in this Blainville's beaked whale (Mesoplodon densirostris). This dwarf sperm whale (Kogia sima) skeleton only displays the lower jaw's teeth and the structure of the pectoral fin (flipper).

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