#1
Which of the following is a primary producer in an ecosystem?
#2
What process do plants use to convert sunlight into chemical energy?
#3
Which of the following is NOT a greenhouse gas?
#4
Which type of symbiotic relationship benefits both interacting species?
#5
Which process involves the conversion of organic matter into simpler compounds by decomposers?
#6
What is the main source of energy for most ecosystems on Earth?
#7
What is the term for the process where water moves through plants and is released into the atmosphere?
#8
Which nutrient cycle involves bacteria converting atmospheric nitrogen into a usable form for plants?
#9
What is the term for the total amount of energy captured by primary producers in an ecosystem?
#10
What is the term for the process where nutrients are released from dead organisms and waste materials and returned to the environment?
#11
What is the term for the feeding relationships among various organisms in an ecosystem?
#12
Which of the following organisms play a crucial role in nitrogen fixation?
#13
Which factor influences the rate of decomposition in an ecosystem?
#14
Which of the following is NOT a component of the phosphorus cycle?
#15
Which trophic level typically has the highest biomass in an ecosystem?
#16
In which ecosystem are producers typically limited by nutrient availability rather than sunlight?
#17
What is the term for the process where nutrients are transferred between different trophic levels in an ecosystem?
#18