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What structure describes scientists believe human arms and whale flippers were inherited from a common ancestor?
Homologous add Perhaps to a human's foot.
What are the rear flippers of a whale called?
The rear flippers of a whale are called flukes. They are broad and flat, and are used for propulsion and steering while swimming.
What is the function of flippers of the whale?
Swimming
What are the fins on a killer whale?
flippers
Two species have homologous structures what do these homologous strcutures show about the evolutionary relationship between the two species?
The presence of homologous structures (for example, the bone structure in chimpanzee arms, human arms, and whale flippers) indicates that the species sharing that homologous structure share a common ancestor.
What is the hind leg bones shown in the whale are examples of?
They are examples of vestigial structures: structures that appear to be useless but once most probably had a function
How does a humpback whale's flippers help it?
it helps them swim
Do whale sharks have flippers?
yes to swim around
What are structures that have no apparent function but resemble structures of presumed ancestors called?
These structures are called vestigial structures. They are remnants of ancestral features that no longer serve a clear purpose in the organism's current form. Examples include the human appendix and whale leg bones.
How does the whale moves?
it moves by using it's flippers and back.
What are structures that develop from the same embryonic tissues but have different mature forms?
Homologous structures develop from the same embryonic tissue but mature into different forms in different species. An example is the pentadactyl limb in vertebrates, where the same bones form the wings of a bat, flippers of a whale, and arms of a human.
How does the beluga whale eat it's food?
the beluga it with its tail and flippers
