The primary cause of human population growth following the Industrial Revolution was

a. an increase in death rates.
b. a decrease in death rates.
c. an increase in birthrates.
d. a decrease in birthrates
e. more children being born to women over 35 years of age.


B; Improved medical practices, better sanitation, and nutrition all contributed to people living longer and lower infant mortality. Therefore, decreased death rate is the well-documented reason for increased population numbers.

Biology & Microbiology

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A ______________ group does not contain the most recent common ancestor. 

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

A frog should be added to the phylogeny above at point  



A.  A.
B.  B.
C.  C. 
D.  D. 
E.  E.

Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
 
Gather Content
· What do you already know about cladistics?

Consider Possibilities
· Consider the different answer options. Which can you rule out?

Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?

Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?


Biology & Microbiology

When affected males produce all affected daughters and no affected sons, the pattern of inheritance is likely to be ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

A benign tumor differs from a malignant tumor in that a benign tumor

A) is cancerous. B) spreads from the original site. C) does not metastasize. D) never causes health problems.

Biology & Microbiology