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Q 1/12
Score 0
What is the primary evidence that organisms have changed over time?
30
Natural selection
Comparative anatomy
DNA evidence
Fossil record
Q 2/12
Score 0
Why are pelvic bones in whales considered evidence of evolution?
30
They are vestigial with no evolutionary significance
They help whales swim
They are necessary for balance
They suggest that whales evolved from land-dwelling ancestors
12 questions
Q.
What is the primary evidence that organisms have changed over time?
1
30 sec
Q.
Why are pelvic bones in whales considered evidence of evolution?
2
30 sec
Q.
Fossil evidence shows that ancient horses were much smaller than modern horses. What does this suggest about their evolution?
3
30 sec
Q.
What does the presence of homologous structures in two species suggest?
4
30 sec
Q.
Whales have small bones deep inside their bodies that are not used for swimming. How does this support the theory of evolution?
5
30 sec
Q.
Bird wings and bat wings are examples of which type of structure?
6
30 sec
Q.
A cladogram shows that lizards and snakes share a more recent common ancestor than lizards and birds. What does this suggest?
7
30 sec
Q.
Alligators and turtles have similar tail structures. What does this suggest about their evolutionary history?
8
30 sec
Q.
What does the term 'comparative anatomy' describe?
9
30 sec
Q.
A mutation causes a bird's beak to become slightly longer. The bird is still able to eat the same type of food, and its survival rate does not change. What type of mutation is this?
10
30 sec
Q.
A mutation gives a rabbit thicker fur, which helps it survive better in a colder environment. What type of mutation is this?
11
30 sec
Q.
A mutation causes a fish to have poor eyesight, making it harder to find food and avoid predators. What type of mutation is this?
