Ch. 3 The Biosphere

Which of the following would be considered a biotic factor

• Moss

• Rocks

• Rain

• Wind Pressure

A group of organisms that belong to the same species and live in the same area is a(n)

• population

• community

• ecosystem

• biome

A primary producer can

• Convert environmental energy into carbohydrates

• Consume other organisms to acquire energy

• be a scavenger or an omnivore

• Perform photosynthesis but not chemosynthesis

Which of the following would be considered a primary producer

• Tiger eating the catch of the day

• Bees creating honey

• Fungus performing decomposition

• Rose bush

Another word for consumer is

• Autotroph

• Heterotroph

• Lithotroph

• Tropotrpohs

A food web is a

• Trap that a spider creates in order to obtain its meal

• a network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

• a linear chain that shows who eats who

An animal that hunts its prey in order to acquire energy is a

• herbivore

• carnivore

• scavenger

• producer

The biosphere is

• life on a local level

• all life on earth and all parts of earth in which life exists

• life found on the land and under the sea, under the sea, darling it's better down where it's wetter, take it from me

• the study of the relationship between plant and animal life

Ecology is

• the study of natural rock formations

• the study of biochemical compounds

• the study of interactions among organisms and between organisms and their physical environment

• the study of the central and peripheral nervous system

A hypothesis is

• an explanation for a set of observation

• a fact that can be deduced after controlled experiment

• a statement that unifies a large body of theories

• an experiment in whcih you manipulate 1 variable