Question 1
Which of the following describes the role of a keystone species in an ecosystem?
Question 2
In an ecosystem, what is the primary difference between a food chain and a food web?
Question 3
Which of the following is an example of a symbiotic relationship where both species benefit?
Question 4
What is the primary role of photosynthesis in an ecosystem's energy flow?
Question 5
Which of the following best describes the concept of 'trophic efficiency'?