Welcome to your Grade 9 Biology chapter 6
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the scientific study of the interactions between organisms and their environment?
2.
Which component of an ecosystem includes all living organisms?
3.
What are the non-living physical and chemical parts of the environment called?
4.
Which of the following is an example of an abiotic factor?
5.
A group of individuals of the same species living in a particular area is a:
6.
What is the highest level of ecological organization?
7.
Which ecological level consists of all the different populations that live together in an area?
8.
Large geographic areas with similar climates and ecosystems are called:
9.
Which biome is characterized by being extremely cold and having very little life?
10.
What is the driest biome on Earth?
11.
The part of the marine biome shallow enough for sunlight to penetrate is the:
12.
What forms the base of the entire marine biome food chain?
13.
Which biome is home to more types of life than any other?
14.
What is the process of one community replacing another over time called?
15.
The first species to colonize a previously uninhabited area are known as:
16.
A stable community that undergoes little or no change in species is a:
17.
Competition between members of the same species is called:
18.
What type of competition occurs between different species?
19.
In a savanna biome, which of the following is a common animal species?
20.
What is the term for the ability of organisms to survive in various conditions?
21.
Which ecological level includes both the biotic and abiotic components in a specific area?
22.
Succession that begins on a patch of cooled, hardened lava is:
23.
Succession that occurs after a corn crop is harvested is an example of:
24.
Which biome is characterized by grasses and scattered trees?
25.
What are the living parts of an ecosystem called?
26.
Which of the following is a biotic component?
27.
A group of similar organisms that can interbreed and produce fertile offspring is a:
28.
Marine biomes are characterized by which abiotic factor?
29.
Human impact on the savanna biome often involves:
30.
Desert animals often have mechanisms to cope with:
