Two chickens are bred and have five offspring, shown below. What are the most likely genotypes of the parents? a. F^RF^W and F^WF^FR B. F^RF^R and F^WF^W c. F^RF^R and F^WF^R d. F^WF^R and F^WF^W

The deserts of the sahara and australia are associated with

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.

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone