Exam 14: Evolution and Natural Selection

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

What does the fossil record tell us?

Free
(Essay)
4.8/5
(92)
Correct Answer:
Verified

It shows that there has been progressive change with time,with the oldest fossils having the simplest structures and organisms becoming more complex through time.This is solid evidence for evolution.

When only a very few individuals give rise to a new population in a new area of favorable habitat,they might differ in appearance from the other,larger population from which they separated.This effect is called the:

Free
(Multiple Choice)
4.8/5
(66)
Correct Answer:
Verified

B

A human example of stabilizing selection is _____________________.

Free
(Short Answer)
4.9/5
(74)
Correct Answer:
Verified

sickle-cell anemia or human infant birth weights

New gene variations are constantly being introduced into populations through random mutations.

(True/False)
5.0/5
(80)

Much of the evolutionary history of vertebrates can be seen in the way in which their ________ develop.

(Multiple Choice)
4.9/5
(79)

Choose the phrase that best represents microevolutionary change.

(Multiple Choice)
4.8/5
(91)

A __________ is a separate group of organisms incapable of interbreeding with other such groups.

(Short Answer)
4.8/5
(83)

A structure remaining in an animal but with no use at all is called:

(Multiple Choice)
4.9/5
(83)

In 1859,naturalist ______________ suggested an explanation for why evolution occurs.

(Multiple Choice)
4.9/5
(80)

The Hardy-Weinberg equilibrium is based on a number of assumptions.Which of the following is NOT one of those?

(Multiple Choice)
4.9/5
(75)

During fossilization,remains of an organism may become suspended in fossilized plant sap,which is called ________.

(Short Answer)
4.8/5
(66)

Give two examples of nonrandom mating.

(Essay)
5.0/5
(83)

All of the following are correct about Intelligent Design except:

(Multiple Choice)
4.8/5
(80)

The evidence for evolution includes which of the following?

(Multiple Choice)
4.7/5
(86)

If two species of birds occur in the same area but occupy different habitats they do not mate.This is an example of:

(Multiple Choice)
4.9/5
(82)

Two populations of flowers are separated by a mountain range and would not be capable of interbreeding.This is an example of:

(Multiple Choice)
4.9/5
(86)

Most types of organisms evolve at about the same rate.

(True/False)
4.8/5
(80)

The purpose of the voyage of the HMS Beagle was to:

(Multiple Choice)
4.8/5
(75)

What is the process of natural selection?

(Essay)
4.8/5
(70)

When selection operates to eliminate intermediate phenotypes,it is referred to as:

(Multiple Choice)
4.7/5
(72)
Showing 1 - 20 of 54
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)