Must Know High School Biology

Kellie Ploeger Cox

Chapter 15 The Theory of Natural Selection - all with Video Answers

Educators

Chapter Questions

02:39

Problem 1

is change over time. is the mechanism that explains how it happens.

Carlene Jimenez

Numerade Educator

02:30

Problem 2

Why were the geologists' (Hutton and Lyell) insights into geological processes so helpful to Darwin when forming his theory of evolution?

Dennis Howard

Numerade Educator

02:58

Problem 3

Lamarck had his own theory of evolution, but it was flawed due to the principle of inheritance of acquired characteristics. Why was it wrong?

Syed Vasi

Numerade Educator

02:18

Problem 4

$\mathrm{A}(\mathrm{n})$ is a helpful trait found in a population that is the product of natural selection.

Dr. Anas Syed

Numerade Educator

01:05

A species of woodpecker that evolved to possess brightly colored head feathers is an example of [choose one:
macroevolution/microevolution]. The ancestral woodpecker that
gave rise to many different species better adapted for their particular environment is an example of [choose one:
macroevolution/microevolution].

Joanna Quigley

Numerade Educator

00:56

Problem 6

Match the person with the correct influential insight:

Raghvendra Singh

Numerade Educator

00:42

Problem 7

How does artificial selection differ from natural selection?

Billy Huggins

Numerade Educator

00:34

Problem 8

Choose True or False for the following statements:
a. Any beneficial genetic mutation will be passed on to the next generations.
b. Populations, but not individuals, are able to evolve.
c. Once a most-fit phenotype is selected through evolution, the population's adaptations are "fixed" and will no longer change.