Question
The graph shows the human population of the world for the last 2000 years.
What is the phase identified by P?
A death
B exponential (log)
C lag
D stationary
Answer/Explanation
Ans
B
Question
Which term describes a group of organisms of one species, living in the same area, at the same time?
A community
B ecosystem
C genus
D population
Answer/Explanation
Ans: D
Question
What is defined as ‘all of the populations of different species in an ecosystem’?
A community
B environment
C habitat
D trophic level
Answer/Explanation
Ans: A