Grass growing in a field is eaten by a deer. Later on, the deer dies and its body is decomposed, in ...

Grass growing in a field is eaten by a deer. Later on, the deer dies and its body is decomposed, in part, by bacteria. Which organism(s) are consumers?
 
  a. grass only
  b. deer only
  c. bacteria only
  d. grass and bacteria
  e. deer and bacteria

Question 2

On the Moon, the maria are younger than the highlands.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 3

Plants use energy from the sun to produce nutrients. Plants are therefore:
 
  a. consumers
  b. reproducers
  c. producers
  d. decomposers
  e. developers

Question 4

The greenhouse effect occurs because carbon dioxide is opaque to infrared radiation.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 5

Populations within California's Antelope Valley interact with their physical environment (e.g., sunlight and water) to sustain life. Which level of life's organization is appropriate for this scenario?
 
  a. population
  b. community
  c. biosphere
  d. ecosystem
  e. organism

Question 6

Oxygen in Earth's atmosphere is outgassed in volcanic eruptions.
 
  a. True
  b. False
  Indicate whether the statement is true or false