#1
Which of the following is a primary producer in an ecosystem?
#2
What is the term used to describe the variety of life forms on Earth?
#3
Which of the following is NOT a biotic factor in an ecosystem?
#4
What is the term for the process by which water moves from the atmosphere to the Earth's surface?
#5
Which of the following factors contribute to the greenhouse effect?
#6
What is the term for the maximum population size that a given environment can sustain indefinitely?
#7
Which of the following levels of ecological organization is arranged in the correct order from smallest to largest?
#8
What is the term for the role or position that an organism has in its environment?
#9
Which biome is characterized by long, cold winters, short summers, and permafrost?
#10
What is the term for the process by which carbon is exchanged between living organisms and the environment?
#11
Which of the following is NOT a type of symbiotic relationship?
#12
What is the term for the process by which nitrogen is converted into a form that can be used by plants?
#13
Which of the following is an example of a decomposer?
#14
Which of the following is an example of a keystone species?
#15
Which of the following is an example of a pioneer species?
#16
What is the term for the process by which an ecosystem returns to its original state after a disturbance?
#17