During the winter, many creatures are able to drastically decrease their body temperatures and energy use and enter a reduced state of metabolism. even though environmental temperatures may be well below freezing, these animals survive. this is due in part to their hibernation but most importantly to the fact that

a) they are covered with feathers.
b) water has a high specific heat capacity.
c) the ion concentration within their cells increases.
d) they pick a location that allows them to avoid freezing.

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.