Geese that are exposed to a moving box during the first two days after hatching will imprint on the box. geese that are totally isolated from any moving objects during the same period will never imprint on anything. these results show that a. young geese must see some type of box to imprint correctly. b. the first two days after hatching are a critical period for imprinting in geese. c. geese have an instinctive tendency to avoid moving, box-shaped objects. d. geese must be exposed to their mother more than two days after hatching

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

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.

What advantages does a pedigree have over a written passage?