Look at the pictures of the animals in Table 1.1 and answer the following questions.
1. Which animal has light bones? Give a reason why this
animal has light bones.
2. Which animal that lives both in water and on land has
long leg bones? Why does this animal need long leg
bones?
3. Name one type of animal with soft bones that are
supported by water.
4. What is the name of the structure that provides the
body of an animal with support and protection?
that
sor

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.