Study Biology

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Human Biology

Study Pack

Set 7 Understanding Natural Selection Vaccines And Viral

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Question 1

(Multiple Choice)

Free
Select three of the components that were proposed by Darwin for natural selection to occur.

A) Populations experience differential reproductive success.
B) Breeding is done intentionally with the intent to increase the frequency of desired traits.
C) Variation within a population is heritable.
D) Populations experience competition for resources.
E) The variations in a population make no difference in terms of reproductive success.

Answer

Question 2

(Multiple Choice)

Free
Which of the following structures are associated with the lymphatic system? (Check all that apply.)

A) Thymus
B) Spleen
C) Lungs
D) Red bone marrow
E) Lymph nodes

Answer

Question 3

(Multiple Choice)

Free
From the list provided, select all characteristics of the influenza envelope. (Check all that apply.)

A) It contains parts of the host cell's plasma membrane.
B) It contains RNA.
C) It separates the genetic material and the capsid.
D) It contains N and H spikes.

Answer