ANSWERS WEEK1 -UPDATED 2024
Part 1 of 1 - 100.0 Points
Question 1 of 40
2.5 Points
While allocating a great deal of energy towards reproduction the organism’s growth rate will
likely ________ .
A. be lower
B. be higher
C. remaining the same
Feedback:Incorrect-
Learning Objective Text: Describe how life history patterns are influenced by natural selection
Question 2 of 40
2.5 Points
Global climate change has caused the overlap of species range that did not used to overlap. This
has resulted in:
, A. the grolar bear (grizzly bear X polar bear hybrid
B. the puffguin (puffin X penguin hybrid)
C. the liger (lion X tiger hybrid)
D. broccoflaur (broccoli X cauliflaur hybrid)
Feedback:Correct
Question 3 of 40
2.5 Points
When T- and B-lymphocytes are activated, this begins the formation of ____ cells, which are
specific for certain antigens.
A. helper T cells
B. regulatory T cells
C. memory cells
D. plasma cells
, Feedback:Correct
Question 4 of 40
2.5 Points
Humans have dramatically altered carbon cycling by which of the following practices (select all
that apply)?
A. burning fossil fuels
B. farming
C. accelerating the Earth's subduction processes
D. eradicating carbon-fixing bacteria
Feedback:Incorrect-
Learning Objective Text: Explain how human activities have impacted these cycles and the
potential consequences for Earth
Question 5 of 40
2.5 Points
______ immune system is activated when PAMPs bind to PRRs. The ______ immune system is
activated when epitopes of antigens bind to antigen receptor.
A. adaptive;adaptive
B. innate;adaptive
C. adaptive;innate
D. innate;innate