Ecology: Basic Definitions Quiz

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Questions and Answers

Which of the following accurately describes a coral reef?

A chemosynthetic autotroph
An example of a taiga ecosystem
An example of a littoral zone ecosystem (correct)
A decomposer in the rainforest

In an ecosystem, what is the driving force of the synthesis from solar energy accumulated by means of primary production?

Incorporation of residual energy in inorganic matter
Constant dissipation of energy in the food web (correct)
Recycling of matter in the ecosystem
Use of light for energy by photosynthetic autotrophs

Which organism is classified as a chemosynthetic autotroph?

Decomposers in the rainforest
Coral reef organisms
Organisms that oxidize hydrogen sulfide (H2S) for energy (correct)
Organisms that use light for energy to synthesize organic compounds

According to Liebig's Law of the Minimum, what controls the growth of a plant or crop?

The limiting nutrient (D) Signup and view all the answers

Which ecological law pertains to the control of an organism's abundance or distribution by certain factors?

Shelford's law of tolerance (A) Signup and view all the answers

What is the definition of a biotope?

An area of uniform environmental conditions providing a living place for a specific assemblage of plants and animals. (B) Signup and view all the answers

According to the given text, what is central to the ecosystem concept?

The idea that living organisms interact with every other element in their local environment. (B) Signup and view all the answers

What does an ecosystem include?

All the organisms in a given area interacting with the physical environment, leading to a flow of energy and material cycles. (C) Signup and view all the answers

What is the definition of a population?

The collection of inter-breeding organisms of a particular species. (B) Signup and view all the answers

According to the given text, what is the structure of an ecosystem?

A unit that includes all the organisms in a given area interacting with the physical environment, leading to clearly defined trophic structure, biotic diversity, and material cycles. (B) Signup and view all the answers