NEED ANSWERED ASAP The food webs below model relationships among the organisms in two ecosystems. Which ecosystem would be more likely to survive if a disease killed the grasses? A) The forest ecosystem, because most of the animals can eat other organisms B) The grassland ecosystem, because several predators compete for food C) The forest ecosystem, because it has three top predator D) The grassland ecosystem, because it has many herbivores

List two limitations of natural selection

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 was darwins theory of common decent