Unit 1 Pollution Assessment- Environmental Science

The study of our planet’s natural systems and how humans and the environment affect one another is known as?

• Environmentalism

• Environmental Science

• Environmental Studies

• Earth Science

the variety of ecosystems within a region is called?

• species diversity

• genetic diversity

• ecosystem diversity

• plant diversity

A measure of the genetic variation among individuals in a population is called?

• species diversity

• genetic diversity

• ecosystem diversity

• DNA

A group of organisms that is distinct from other groups in its morphology (body form and structure), behavior, or biochemical properties is known as a?

• Species

• organism

• population

• ecosystem

What is the most significant greenhouse gas?

• Methane

• Carbon Dioxide

• Carbon monoxide

• Nitrous oxide

The human population is currently at?

• 5.5 billion

• 7.2 billion

• 6.4 billion

• 1 trillion

What kind of lake is classified as having low nutrients, deep waters, and low to no plant growth?

• mesotrophic

• oligotrophic

• eutrophic

• hypertrophic

What kind of lake is classified as having moderate levels of nutrients, moderate plant growth, and some clear water?

• oligotrophic

• eutrophic

• mesotrophic

• hypertrophic

What kind of lake is classified as having high levels of nutrients, mostly murky water, and a high level of plant growth?

• oligotrophic

• mesotrophic

• eutrophic

• hypertrophic

Harmful substance that is emitted directly into the atmosphere is known as a?

• primary air pollutant

• secondary air pollutant

• tertiary air pollutant

• quaternary level