Check Your Understanding
Check Your Understanding
Attempt 1 of 2
Identify two characteristics that define a species,
A. Members look exactly like one another.
B. Members have very similar DNA,
VC. Members produce offspring that are also able to reproduce.
OD. Members all live in the same place.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.