Environmental Sci. Module 2

What is the smallest component of an element that still has the properties of that element?

• Molecule

• Atom

• Cell

• Organ

Which term describes any nonliving component of an ecosystem?

• Biotic

• Abiotic

• Organism

• Population

What is the basic unit of life?

• Tissue

• Organ

• Cell

• Molecule

Which term refers to a large naturally occurring community of flora and fauna occupying a major habitat?

• Biome

• Biosphere

• Ecosystem

• Community

What is the study of the interaction of organisms and their environment called?

• Ecology

• Biotic

• Abiotic

• Population

What is a group of tissues working together called?

• Organ

• Organ System

• Cell

• Molecule

Which term describes a group of organisms of the same species that can interbreed?

• Community

• Population

• Ecosystem

• Biome

What is a molecule containing a vast number of atoms, and is essential for life?

• Organ

• Macromolecule

• Cell

• Organism

What is the primary living system, a functional grouping of the lower-level components, including at least one cell?

• Organism

• Organ

• Tissue

• Organ System

Which term refers to all life on Earth under the atmosphere?

• Biome

• Biosphere

• Ecosystem

• Community