The Theory
Something that can be inherited through genetic characteristics... means that everyone is different
A. Competition
B. Adaptation
C. Variation
D. Selection
C. What is variation?
the vocab word that means change through time. The theory that existing life forms have evolved from earlier forms over long periods of time.
A. Adaptation
B. Evolution
C. Natural Selection
D. Artificial selection
B. What is evolution?
This phrase that describes the process where organisms best suited to their environment survive and reproduce.
Multiple acceptable answers
What is survival of the fittest
Only the strong survive
Natural selection
The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they?
A. Are descended from a common ancestor
B. Have very similar skeletal structures
C. Belong to the same species
D. Must range great distances to eat
A. Are descended from a common ancestor
animals that have certain beneficial traits will survive better over time- survival of the best adapted- nature determines who will "win"
A. Artificial Selection'
B. Natural selection
C. Evolution
D. None of the above
What is natural selection
A struggle for resources, such as food, water, and shelter, drives this evolutionary process.
A. Variation
B. Selection
C. Adaptation
D. Competition
D. What is competition
How does natural selection lead to evolution?
A. Environmental changes kill weaker members of the species.
B. Stronger offspring kill weaker members of the species.
C. Overproduction provides food for stronger members of the species.
D. Helpful traits accumulate among surviving members of the species.
D. Helpful traits accumulate among surviving members of the species.
An explanation of events in the natural world based on observations. Unlike a scientific law, this can be falsified or changed.
A. Evolution
B. Variation
C. Scientific Theory
D. Scientific Law
C. what is a Scientific Theory?
When a species produces more offspring than can survive, this occurs.
A. adaptation
B. overproduction
C. Variation
D. Selection
B. Overproduction
A group of genetically similar organisms that can mate and produce fertile offspring.
A. Species
B. Variation
C. Adaptation
D. Evolution
A. What is a species?
According to the theory of natural selection, some individuals more likely than others to survive and reproduce because they:
A. pass on to their offspring their newly acquired traits.
B. are better adapted to their environment than others and will pass on those adaptations to future offspring.
C. do not pass on newly acquired traits.
D. produce fewer offspring than others in the same environment.
B. are better adapted to their environment than others and will pass on those adaptations to future offspring.
Which is not a factor in natural selection?
A. Adaptation
B. Variation
C. Selection
D. All are factors in natural selection
D. All are factors in natural selection
Which of the following best describes homologous structures?
A. Body parts that have a similar structure but different functions, indicating a common ancestor.
B. Body parts that serve the same function but have different structures, such as insect wings and bird wings.
C. Structures in organisms that no longer serve a purpose, like the human appendix.
D. A type of adaptation that allows organisms to blend into their environment.
A. Body parts that have a similar structure but different functions, indicating a common ancestor.
What is the advantage of having different shaped beaks?
A. To look different from other species.
B. To be able to eat the food available in the environment.
C. To protect itself against predators.
D. To protect itself against prey.
B. To be able to eat the food available in the environment.