1. Which of the following is true about ecology? (1 point)
Ecology is a philosophy that seeks to limit harm to the natural world.
Ecology is a practice that emphasizes preservation of life.
Ecology is an area of study that focuses on interactions in nature.
Ecology is a strategy for sustainable living.
2. Which of the following would be the best way for an ecologist to determine the effects of an industrial waste chemical on the survival of a fish species? (1 point)
conducting experimental work in a lab
conducting library research
constructing mathematical models on a computer
making observations in natural areas
3. How are populations, ecosystems, and communities related? (1 point)
A community consists of an ecosystem and its physical environment, and an ecosystem is made up of many different populations of organisms.
A population consists of a community of organisms and its physical environment, and a community is made up of many different ecosystems.
An ecosystem consists of a community of organisms and its physical environment, and a community is made up of many different populations of organisms.
An ecosystem consists of a population of organisms and its physical environment, and a population is made up of many different communities of organisms.