51.
Which of the following is a decomposer in an ecosystem?
Explanation:
52.
What is the term for the gradual process of change in an ecosystem over time?
Explanation:
53.
Which biome is characterized by extremely cold temperatures, permafrost, and a lack of trees?
Explanation:
54.
What is the term for the process by which one species benefits while the other is harmed in an ecological relationship?
Explanation:
55.
Which level of ecological organization includes all the biomes on Earth?
Explanation:
56.
What is the term for the variety of different species in a given area?
Explanation:
57.
Which of the following biomes is characterized by high temperatures, low rainfall, and cacti as a dominant plant type?
Explanation:
58.
What is the term for the total mass of living organisms in a given area?
Explanation:
59.
Which type of succession occurs in an area with no previous life, such as a new volcanic island?
Explanation:
60.
What is the term for a species that plays a crucial role in maintaining the structure and diversity of an ecosystem?