Ecosystems have producers decomposers and consumers carnivores or scavengers are both types of consumers in an ecosystem which of the following is a characteristic of scavengers that make them different from carnivores

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

What is called the "building block" of life?

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important