Your primary prey becomes scarce. Members of your species need to be able to eat available plants that are tough to chew and digest in order to survive.

Would this be and example of a selection pressure that drives natural selection (including sexual selection), genetic drift, gene flow, or a random change due to mutation? Explain please!

What are some things that limit population growth?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

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.