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The picture shown is an example of
Which process of evolution is demonstrated below?
Which evidence for evolution is shown below?
The bones in the figure above are-
Evidence of a common ancestor
Evidence that animals can walk
Evidence that fossils are old
Evidence of nothing
What conclusion can you draw from the fact that many modern whale species have vestigial pelvic and leg bones?
The ancestors of whales may have been land mammals
Whales could walk if they wanted to
Whales are preparing to evolve into land animals
Someday whales will be able to walk and will have legs
The picture shows similarities among the forelimbs of three animals. The similarities provide evidence for which of the following hypotheses?
Legs and wings may have evolved from flippers.
All mammals have evolved from an ancestor that was a bat.
A cat’s leg, a whales’sflipper, and a bat’s wing have identical functions
Cats, whales, and bats had the same ancestor millions of years ago.
Structures that are similar but their function may be different.
______________ structures are similar in function but not in structure
What is this an example of?
The fossil record help scientists
better understand the kinds of organisms that lived in the past
better understand how the environment has changed over time
better understand how organisms have evolved over time
all of the above
What is common ancestry?
When a species no longer exists
When organisms are descended from a single ancestor
The cave fish and minnow are related to each other but the cave fish is blind and only has the remnants of an eye. What type of structure is this?
What is an example of a vestigial structure in a human?