#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 a primary consumer in an aquatic ecosystem?
#7
Which of the following is not a greenhouse gas?
#8
What is the term for the process by which plants absorb water through their roots and release it into the atmosphere?
#9
What is the term for the process by which nitrogen is converted into a form that plants can use?
#10
Which of the following is an example of a terrestrial biome characterized by low temperatures and high winds?
#11
Which of the following is an example of a decomposer in an ecosystem?
#12
What is the process by which nutrients are returned to the soil from dead organisms?
#13
Which of the following is a biotic factor in an ecosystem?
#14
What term describes the relationship between a predator and its prey in an ecosystem?
#15
What is the process by which water moves from the Earth's surface to the atmosphere and back again?
#16
Which of the following is a characteristic of a climax community?
#17
Which of the following is an example of a pioneer species?
#18
What is the primary factor that determines the type of biome in a particular area?
#19
What is the main limiting factor for plant growth in aquatic ecosystems?
#20
Which of the following is a type of symbiotic relationship where both organisms benefit?
#21
Which of the following ecosystems has the highest biodiversity?
#22
What is the role of keystone species in an ecosystem?
#23
What term refers to the process by which ecosystems change over time?
#24
Which of the following is not a type of wetland ecosystem?
#25