Which statement about adaptations is CORRECT?
A. Adaptations come about because the organism wants to survive.
B. Adaptations are any heritable trait that allows organisms to survive in its environment
Adaptations are any heritable trait that allows organisms to survive in its environment
Which of the following can cause a mutation?
Chemicals in the environment
Having multiple offspring
chemical in the environment
True or False: Survival of the Fittest means only the strongest and fastest organisms will survive.
False
A possum playing dead when scared is an example of:
Camouflage
Behavioral adaptation
Behavioral adaptation
In evolutionary terms, “fit” in the phrase “survival of the fit” describes:
The fastest or strongest organisms that are able to reproduce
Those organisms that are able to survive and produce the most offspring
Those that are best able to individually develop in the environment
Those organisms that are the weakest and cannot reproduce
Those organisms that are able to survive and produce the most offspring
"The giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result." Whose theory does this demonstrate?
A. Lamarck
B. Darwin
Lamarck
Which of the following is NOT a part of Darwin's theory of natural selection?
Individuals of a population vary
Traits an organism acquires during its lifetime can be passed to its offspring
Traits an organism acquires during its lifetime can be passed to its offspring
Modern whales lack hind limbs (back legs), but have tiny bones in their skeletons which are the remnants of pelvic and leg bones. Which of the following is TRUE concerning this information?
Modern whales most likely had an ancestor that had hind limbs.
Modern whales are evolving to have legs.
Modern whales most likely had an ancestor that had hind limbs.
According to the theory on evolution, life began on earth as _______________ about 3.5 billion years ago.
multicellular organisms
single celled bacteria
single celled bacteria
The theory of evolution by natural selection was developed most famously by:
Charles Darwin
Jean Baptiste Lamarck
Charles Darwin
Which of the following is the most fit in a biological sense?
A lion that is successful at capturing prey but has no cubs.
A lion that has many cubs, eight of which live to adulthood.
A lion that has many cubs, eight of which live to adulthood.
A scientific theory, such as evolution, is:
An informed opinion
a statement that have been tested and confirmed many times
Statements that have been tested and confirmed many times
What might you conclude from the observation that the bones in your arm and hand are similar to the bones in a bat's wing?
The bones in the bat's wing are vestigial structures, no longer useful as "arm" bones.
The bones in the bat's wing are homologous to your arm and hand bones indicating a common ancestor.
The bones in the bat's wing are homologous to your arm and hand bones.
What was the source of the Peppered Moth changing colors from white to black during the Industrial Revolution?
A genetic mutation and natural selection
The coal from the factories turned them black
a genetic mutation and natural selection
Embryological evidence suggests a common ancestor because many early developing embryos have:
tails and gill slits
four legs and hair
tails and gill slits
Which of the following is true about natural selection?
Natural selection generally works very quickly occurring within a generation or two.
Natural selection occurs gradually over many years.
Natural selection occurs gradually over many years.
Which of the following is the best measure of an organism’s fitness?
The number of fertile offspring it produces
The amount of food the organism can take in
The number of fertile offspring it produces
Which of the following is an example of a vestigial structure found in humans?
Tailbone
Appendix
Wisdom teeth
All of the above
All of the above
Fossil that are found in the layers ____________ are considered to be older and more primitive than those found ____________.
near the surface; deep in earth's crust
deep in earth's crust; near the surface
deep in earth's crust; near the surface
Natural selection could not occur without:
Competition for unlimited resources.
Genetic variation in species.
Genetic variation in species.
What is the ultimate source of genetic variability?
Mutation
What book did Darwin write on his theory of evolution?
On the Origins of Species
Darwin conducted much of his research on what island?
the Galápagos Islands
What does the fossil record tell us about evolution?
It shows that the bodies of groups of organisms have changed over time to become more complex.
Older organisms tend to be less complex.
There are transitional species.
What does DNA comparison tell use about relationships between species over time?
There are less difference in species more closely related.