23. In a grassland ecosystem, organisms of the same species eat the same food. When there is a lack of rain, which is MOST likely increased?
A carrying capacity
B population density
D competition for resources
C competition for space

What is the 77 element on the periodtic table

Me with biology endocrine system crossword also image left i need with hw

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.