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Ecology Practice Questions
Quiz by Sean Ogren
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Maria counts 157 frogs living in a pond. What did she calculate?
Armen observes that most of the zebras in a wild animal park stay close together in groups of 6 to 8 to help protect against predators. Which best describes this arrangement?
Arevik has noticed that there are fewer and fewer cardinals in her backyard this year. What is one possible reason for the smaller number of cardinals?
What is a carrying capacity?
Meg is studying a population of chipmunks in the midwest. Compared to a few years ago, the chipmunks are increasing the areas in which they can be found; more and more are being discovered in areas they've never been seen before. Which statement best describes what is happening to the chipmunk population?
What kind of growth is represented by this graph?
If a population has already reached its carrying capacity and their numbers increase due to immigration, what will happen to the population?
A variety of organisms in a given area is called what?
One of the benefits of biodiversity is the ability of an ecosystem system to recover after a disturbance. What is this called?
Other benefits of healthy ecosystems include an increased ability to pollinate crops, regulate pests, and maintain soil structure. What are these benefits called?
A pond supports a variety of habitats in the water and along the shore. What type of biodiversity does this represent?
A variety of insects, snakes, and small mammals live in a meadow. What type of biodiversity does this represent?
Field mice differ from one another in fur color, fur thickness, and ear shape. What type of biodiversity does this represent?
All healthy, highly productive ecosystems provide which of these essential ecosystem services?
Mr. Rojas, a biology teacher, asks his class to evaluate two examples of changes to a pond ecosystem. The table summarizes the examples.
Based on the results shown in the table, Mr. Rojas's class can evaluate which property of the pond ecosystem?
Much of an ocean beach is covered in sand dunes and grasses. The homeowners along the beach propose to flatten out the dunes and remove the grasses, which would allow more visitors to use the beach for swimming and sunbathing. If the homeowners' get their wish, which is the most likely consequence?
Ecologists in California are concerned about the effects of urbanization and the spread of invasive species on the biodiversity of natural areas. What might they do to help conserve biodiversity?