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- 1. Drop Down
The fossils found closer to the surface of the ground are generally -
(a)Younger & more complexOlder & simplerYounger & simplerOlder & more complex - 2. Multiple Choice
A human arm and a whale fin have similar bone structure but the whale fin is used for swimming and the arm is used for reaching and grabbing. What type of structures are these?
Homologous structures
Analogous structures
Vestigial structures
Fossil structures
- 3. Multiple Choice
When comparing the DNA of two different organisms, the more differences in the DNA base pairs the more-
Closely related they are.
Distantly related they are.
It doesn't prove anything.
They look alike.
- 4. Multiple Choice
Which of the pictures above would be examples of homologous structures? (pick 2)
1
2
3
- 5. Multiple Choice
The similarities of bone structure in the diagram provide evidence of what?
The organisms probably use there forelimbs for the same thing.
The organisms evolved from a common ancestor.
The organisms have the same DNA.
All vertebrate species have identical forelimbs.
- 6. Multiple ChoiceHow do fossils provide evidence that evolution has happened on Earth?Fossils show how the sizes of certain animals has changed drastically over millions of yearsFossils show that some species have gone extinctFossils show how life forms present today are different than those from the pastDifferent sedimentary rock layers provide evidence for how the environment has changed over time
- 7. Multiple ChoiceWhich of the following is an example of a vestigial structure?the wings of a red-tailed hawkthe hind limbs of a house catthe fins of sharksthe tailbone of a human
- 8. Multiple Choice
Who is the most closely related?
fist and bird
bird and lizard
rat and bird
- 9. Multiple ChoiceWhich is not evidence for evolution?many animals have homologous structures due to common ancestryMany animals have vestigial structures from an ancestorWe can observe changes in life forms by observing the fossil recordAll of these are evidence for evolution
- 10. Multiple Choice
The appendix, which is not needed to survive, is conisdered to be a
Homologous Structure
Analagous Structure
Vestigial Structure
Homology
- 11. Multiple Choice
What was Pangaea?
An extinct species of fish
A super-continent (all the continents connected)
A large desert that covered all of Africa at one point
A layer of rock in the rock record from 3.4 million years ago
- 12. Multiple Choice
Why are similar fossils found all over the world?
The animals swam to new parts of the world before going extinct
The land masses were once connected
The organisms were transported to different areas of the world
They are not similar fossils.
- 13. Multiple ChoiceHow do adaptations help animals?to hide from predatorsto hunt for foodto survive in their habitatsAll of these are correct
- 14. Multiple ChoiceWhat genetic change allows organisms to survive natural selection in their environments?learned behavioracquired traitsanalogiesadaptations
- 15. Multiple ChoiceWhich statement does not accurately describe natural selection?Individual organisms change their genes to adapt to their environmentThe genetic composition of a population changes from one generation to the nextMore advantageous traits become more common in populationBeneficial and useful traits are inheritable
- 16. Multiple ChoicePredict which moth would increase in populationlightdark
- 17. Multiple Choice
What is an adaptation of the snowshoe hare that allows it to remain unseen by predators in the winter time?
heavy fur on feet to stay warm
small ears to prevent heat loss
turns white in winter to match snow
sense of smell to detect food
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