You catch, tag, and release 35 fish back into a pond. then, you catch 70 more fish, 12 of which have tags on them. what is the best estimate of the number of fish in the pond? a. 100 b. 150 c. 142 d. 204

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

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.

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure