These penguins are all members of the species Aptenodytes patagonicus. A very large group of penguins of the species Aptenodytes patagonicus is seen standing on land.

What is the difference between a species and a population?
A species includes only one type of organism, while a population includes many types of different organisms.
A species includes only organisms that can reproduce together, while a population includes groups of organisms that cannot all reproduce together.
Organisms of the same species must live in similar climates, while organisms of the same population can live in different ecosystems with different climates.
Organisms of the same species can live in different areas, while organisms of the same population live in only one area.

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.