Answer:
b. the laboratory setting may not be a good representation of the real-world setting
Explanation:
The laboratory setting is different from the real world settings due to the real world settings having uncontrolled variables and conditions. Whereas the laboratory setting have controlled variables and conditions in which experiments could be performed under. The controlled or uncontrolled conditions could either influence the experiments positively or negatively.
Answer: Shared characteristics are features or qualities that organisms or species have in common.
Shared characteristics can be characteristics that existed in the common ancestor and still exist in modern organisms.
Shared characteristics can be new characteristics that have been modified from what was found in the common ancestor.
Explanation:
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