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- Multiple ChoicePlease save your changes before editing any questions.
When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?
Selective breeding
Natural Selection
Cloning
Evolution of all species
- Multiple ChoicePlease save your changes before editing any questions.
Which scientist visited the Galapagos Islands and came up with the theory of natural selection?
Theodor Schwann
Gregor Mendel
Charles Darwin
Rudolf Virchow
- Multiple ChoicePlease save your changes before editing any questions.
Gigantopithecus were very large primates that lived 500,000 years ago. Since none of these mammals are still today, they are said to be....
Extinct
Threatened
Endangered
Declining
- Multiple ChoicePlease save your changes before editing any questions.
Scientists have collected millions of fossils of different organisms, and have developed a timeline of life on Earth. What do we call this?
Mutation
Natural Selection
The theory of evolution
Fossil Record
- Multiple ChoicePlease save your changes before editing any questions.
Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar bone structures that indicate a link to a common ancestor?
Adaptations
Gradualism
Homologous Structures
Extinction
- Multiple ChoicePlease save your changes before editing any questions.
A physical or behavioral trait that helps an organism survive and reproduce in its environment is called a what?
An adaptation
A response to a stimulus
A mutation
Evolution
- Multiple ChoicePlease save your changes before editing any questions.
What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?
There were different types of predators on the island.
There were different types of food available on the island.
The finches had no water to drink.
The finches on the mainland could not fly high enough.
- Multiple ChoicePlease save your changes before editing any questions.
When looking at two birds of the same species, you notice that one has darker feathers than the other one. You also notice that one has a beak that is just a little longer. These slight differences within members of the same species are called.....
Fossils
Extinction
Meiosis
Variations
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What is the study of organisms at the early stages of development?
DNA studies
Comparative Embryology
Extinction
Fossil Record
- Multiple ChoicePlease save your changes before editing any questions.
What do we call a change in a species over time?
Adaptation
Evolution
Extinction
Environmental influences