#1
Which of the following is not a major component of Earth's ecosystem?
#2
What is the primary source of energy for most ecosystems?
#3
Which of the following is a characteristic of a terrestrial ecosystem?
#4
What is the primary function of producers in an ecosystem?
#5
What is the term used to describe the interconnected network of food chains in an ecosystem?
#6
Which of the following is an example of a decomposer in an ecosystem?
#7
What is the process by which nutrients are returned to the soil from dead organisms?
#8
Which of the following is a biotic factor in an ecosystem?
#9
What term describes the relationship between a predator and its prey in an ecosystem?
#10
What is the process by which water moves from the Earth's surface to the atmosphere and back again?
#11
Which of the following ecosystems has the highest biodiversity?
#12
What is the role of keystone species in an ecosystem?
#13
What term refers to the process by which ecosystems change over time?
#14
Which of the following is not a type of wetland ecosystem?
#15