Which of the following describes an interaction in which one organism kills and eats another?
symbiosis
competition
mutualism
predation
predation
Mosses and lichen are typically the first organisms in _____ succession
primary
secondary
pioneer
artificial
pioneer
Which type of succession takes place where an ecosystem already exists?
pioneer succession
evolutionary succession
secondary succession
primary succession
secondary succession
What is the role of an organism in its habitat?
its limiting factors
the adaptations it has
its niche
the carrying capacity
its niche
What usually happens when the population of a predator’s prey goes up?
The population of the predator goes down.
The population of the predator goes up also.
The population of the predator would be unaffected.
The population of the prey would continue to increase.
The population of the predator goes up also.
The relationship least commonly found in nature is _____.
predation
parasitism
commensalism
symbiosis