Use the drop-down menus to answer the questions.

Who believed that organisms inherited acquired characteristics?

Who grouped humans with primates in the same genus?

Who thought that, if left unchecked, a population would outgrow its food source?

9 answers

The answer to the first question is Jean-Baptiste Lamarck. The answer to the second question is Charles Darwin. The answer to the third question is Thomas Malthus.
Fill in the blank with the correct word or phrase.

Darwin proposed a new theory of how evolution works, which he called
.
The correct word is "natural selection."
Use the drop-down menus to answer the questions.

Darwin observed different species of an animal on separate Galapagos Islands. Which animal did he observe?

Which trait was different among the species of that animal?
The answer to the first question is "finches."

The answer to the second question is "beak shape."
Which statements are part of Darwin’s theory of evolution? Check all that apply.

Organisms stay the same over time.
Organisms change over time.
All organisms have common ancestors.
Only some organisms have common ancestors.
Evolution occurs slowly over extended periods of time.
Evolution occurs rapidly over extended periods of time.
The statements that are part of Darwin's theory of evolution are:

- Organisms change over time.
- All organisms have common ancestors.
- Evolution occurs slowly over extended periods of time.
Which conditions are necessary for natural selection? Check all that apply.

Populations do not have genetic variation.
Populations have genetic variation.
The environment changes.
The environment stays the same.
Organisms must have specific traits in order to survive and reproduce.
Organisms with any traits will survive and reproduce.
The conditions that are necessary for natural selection are:

- Populations have genetic variation.
- The environment changes.
- Organisms must have specific traits in order to survive and reproduce.