Bio Quiz Chapter 7 UNIT 10 Evolution and Natraul Selection

Which of the following are considered fossils?

ANSWER: All of the above are considered fossils Footprints or other impressions preserved in stone Mineralized bones Animals frozen in ice or preserved in amber

What is the name for the study of the geographic distribution of species?

Biogeography

Can you inherit physical traits that your parents acquired during their lifetime?

No

Which two observations led Darwin to conclude that there is competition for survival?

Overproduction of organisms and limited food resources

Before the publication of Charles Darwin's On the Origin of Species, what was the prevailing public consensus regarding species evolution?

That species were permanent and unchanging

What is an adaptation?

The accumulation of favorable traits over time Correct! All of the above are correct The result of natural selection A specialized feature

Natural selection acts on ________, and ________ evolve.

individuals; populations

Individuals with variations that make them best suited to their environment are, on average, more likely to ________.

survive and reproduce

Before Darwin published his work, Lamarck and others had suggested mechanisms for evolution. By what means did Darwin propose species evolved over time?

Natural Selection

Evolution can be best defined as ________.

change in the gene pool of a population