Ecosystem Trivia

Reviewed by Stephen Reinbold
Stephen Reinbold, PhD (Biological Sciences) |
Biology
Review Board Member
Stephen Reinbold has a PhD in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.
, PhD (Biological Sciences)
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Quizzes Created: 11 | Total Attempts: 93,426
Questions: 10 | Viewed: 49,896

1.

Ecology is the study of what? 

Answer: Interactions between organisms as well as the interactions between organisms and their environment.
Explanation:
Ecology is the study of interactions between organisms as well as the interactions between organisms and their environment. This means that ecologists not only study how organisms interact with each other, but also how they interact with their surroundings, including the abiotic factors such as climate, air, and soil. By understanding these interactions, ecologists can gain insights into the functioning of ecosystems and how they may be affected by various factors.
2.

What is an ecosystem?

Answer: All the interacting organisms that live in an environment and the abiotic parts of the environment that affect the organisms.
Explanation:
An ecosystem refers to all the interacting organisms that live in a specific environment, such as a forest or a pond, and the abiotic (non-living) components of the environment that have an impact on these organisms. This includes factors like temperature, water availability, soil composition, and sunlight. The organisms within an ecosystem depend on each other and their surroundings for survival, and their interactions shape the overall functioning of the ecosystem.
3.

What is it called when populations share their environment and interact with populations of other species?

Answer: Community
Explanation:
A community refers to the interactions and relationships between different populations of species that coexist in the same environment. It involves the study of how different species interact with each other and with their environment. This term encompasses the various organisms, such as plants, animals, and microorganisms, that live together in a particular habitat and influence each other's survival and reproduction. It emphasizes the interdependence and interconnectedness of species within an ecosystem.
4.

Space where an organism lives and the role an organism plays within its ecosystem is referred to as what?

Answer: Niche
Explanation:
A niche refers to the specific space or habitat where an organism lives, as well as the role it plays within its ecosystem. It includes the organism's interactions with other species, its behavior, and the resources it utilizes. The niche of an organism is unique and specialized, allowing it to survive and thrive in its environment.
5.

An organism that creates its own food is called what?

Answer: A producer
Explanation:
An organism that creates its own food is called a producer. Producers, such as plants and some types of bacteria, are capable of photosynthesis or chemosynthesis. They use sunlight or chemical energy to convert inorganic substances into organic compounds, such as glucose, which can be used as food. This ability to produce their own food sets them apart from consumers, scavengers, decomposers, and carnivores, which rely on consuming other organisms or organic matter for their energy and nutrient needs.
6.

What is a consumer?

Answer: An organism that cannot produce its own food.
Explanation:
The correct answer is "an organism that cannot produce its own food." This is because a consumer is an organism that obtains energy by consuming other organisms or organic matter. Unlike producers, which can produce their own food through photosynthesis or chemosynthesis, consumers rely on external sources for their energy and nutrients.
7.

Why is a food web more realistic than a food chain for showing the feeding relationships in ecosystems?

Answer: Producers are usually eaten by many different consumers and most consumers are eaten by more than one predator.
Explanation:
A food web is more realistic than a food chain for showing the feeding relationships in ecosystems because producers are usually eaten by many different consumers, and most consumers are eaten by more than one predator. This demonstrates the interconnectedness and complexity of the relationships between organisms in an ecosystem. In contrast, food chains only depict a linear sequence of organisms and do not capture the full range of interactions that occur in nature. By illustrating the multiple interactions and interdependencies among organisms, a food web provides a more accurate representation of the complexity of feeding relationships in ecosystems.
8.

The largest percentage of solar energy that penetrates the atmosphere of the Earth is used for what?

Answer: Heat the atmosphere and the Earth’s surface.
Explanation:
Solar energy that reaches the Earth's atmosphere is primarily used to heat the atmosphere and the Earth's surface. This energy is absorbed by the Earth's surface and then radiated back into the atmosphere as heat. This process contributes to the warming of the atmosphere and the surface of the Earth.
9.

What does albedo measure in terms of light percentage?

Answer: Reflected by an object.
Explanation:
Albedo is a measure of the percentage of light that is reflected by an object. It quantifies the ability of an object to reflect light rather than absorbing or transmitting it. Albedo is commonly used in the context of Earth's surface, where it refers to the amount of sunlight reflected by different surfaces such as ice, water, or land. A high albedo means that more light is reflected, while a low albedo means that more light is absorbed.
10.

What term is used to describe a species of plant or animal that is at risk of imminent extinction or extirpation?

Answer: Endangered
Explanation:
A species of plant or animal that is facing imminent extinction or extirpation is said to be endangered. This means that the species is at a very high risk of becoming extinct in the near future. The term "endangered" is used to describe species that are critically at risk and require immediate conservation efforts to prevent their extinction.
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