Cells Chapter 6: Change Over Time Question Preview (ID: 29576)


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When a group is separated from the rest of the species what could occur?
a) A new species could form
b) A new mammal could form
c) A new reptile could form
d) A new family could form

What do scientists use fossils, body structures, early development, DNA, and protein structures for?
a) See evolutionary relationships
b) Create family trees
c) Because they are bored and they can
d) See how mammals are related

What are homologous structures?
a) similar structures that related species have inherited from a common ancestor
b) When organisms that are better suited will survive and reproduce
c) trait that helps an organism survive and reproduce
d) species creating more offspring than can possibly survive?

What is adapatation?
a) trait that helps an organism survive and reproduce
b) When organisms that are better suited will survive and reproduce
c) trait the hurts an organisms survival and reproduction
d) similar structures that related species have inherited from a common ancestor

What is natural selection?
a) When organisms that are better suited will survive and reproduce
b) When organisms that are not as suited will survive and reproduce
c) When organisms that are better suited will survive and not reproduce
d) When organisms that are better and will live

Darwin concluded that what islands had changed over time?
a) Galápagos Islands
b) Hawaiian Islands
c) Bahamas
d) Jamaica

Which term refers to a species creating more offspring than can possibly survive?
a) Overproduction
b) Evolution
c) Population
d) Communities

Helpful variations gradually accumulate in a species through a process called?
a) Natural Selection
b) Evolution
c) Adaptations
d) Inheritance

What is the gradual change over time?
a) Evolution
b) Adaptation
c) Traits
d) Inheritance

Looking into the past some organisms share a common what?
a) ancestor
b) environment
c) weather
d) feet

Which theory proposes that species evolve slowly but steadily?
a) Theory of Gradualism
b) Theory of Punctuated Equilibrium
c) Theory of Evolution
d) Theory of Adaptation

Flippers, fins, and wings are all adaptations for what?
a) animals that live in a watery environment
b) animals that live in a dry environment
c) animals that live in a semi-arid environment
d) animals that live in a more wet climate

When organisms are isolated from each other what could happen?
a) each set of organisms could evolve
b) each set of organisms could get better
c) each set of organisms could get worse
d) each set of organisms will die off

Darwin observed that selective breeding can help certain traits to be carried on, this helped him prove what?
a) theory of evolution
b) theory of reproduction
c) theory of selective breeding
d) theory of the best animals survive

When organisms are in the same species they are able to?
a) Are fertile and produce offspring.
b) Are not fertile and produce offspring
c) Are fertile and not produce offspring
d) They cannot reproduce

An organism's adpatative traits will move to their offspring if
a) the traits are controlled my genes.
b) the traits are controlled by the environment.
c) the traits are controlled by the parents.
d) the traits are controlled by the natural factors.

What are differences between members of the same species ?
a) Variations
b) Adaptations
c) Evolution
d) New Traits

What can mate with each other and produce fertile offspring?
a) A species
b) Some organisms
c) Only mammals
d) Only reptiles

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