The Roles of Producers - Section 1.2 Quiz

Which of the following statements about the role of producers in supporting life on Earth is true?
1. Producers are the only organisms that can use the Sun's energy to make food
2. Producers utilize oxygen in the Earth's atmosphere to produce carbon dioxide and glucose
3. Producers cannot exist without consumers
4. Producers are green because their leaves contain large amounts of oxygen
Which choice below best completes the following statements? In 1815, Mount Tambora erupted and spewed vast amounts of volcanic dust into Earth's atmosphere. Crops suffered greatly, mostly because
1. much of the sunlight the plants needed to grow was blocked.
2. too much oxygen was released into the atmosphere.
3. plant pores were blocked by the dust.
4. the huge amount of dust that settled raised the level of the Earth's oceans.
Which of the following is not a producer?
1. Mushroom
2. Oak tree
3. Moss
4. Green algae
Which of the following things is not required for photosynthesis to occur?
1. Glucose
2. Sunlight
3. Water
4. Chlorophyll
Which of the following is not something commonly supplied by producers?
1. Minerals
2. Oxygen
3. Food
4. Shelter
Which of the following choices is an example of a living creature using plants for shelter?
1. Koi in a pond disappear under water lily leaves as a raccoon sniffs nearby
2. An alpaca munches on dandelions in a meadow
3. A male bowerbird weaves an elaborate arch from grass in an effort to impress a female
4. A chimpanzee pokes a long straight stick into a termite mound to extract tasty termites
Which of the following statements about interactions that occur in ecosystems is true?
1. Biotic and abiotic elements interact with each other
2. Every interaction in an ecosystem must involve a producer
3. Canada's Aboriginal peoples describe these interactions as "economic systems"
4. All interactions in an ecosystem must benefit all participants
Which of the following choices best completes the following statement? A group of Trumpeter swans that collects at a lake near Barrie, Ontario every spring is an example of
1. a population.
2. an ecosystem.
3. an interaction.
4. a community.
A tropical reef supports a large variety of marine life, which use it for shelter.

The group of different fish in the photograph is an example of
1. a community.
2. a species.
3. a connection.
4. an interaction.
Which of the following items is correctly listed in order of increasing size and complexity?
1. population>community>habitat>ecosystem
2. ecosystem>population>habitat>community
3. habitat>population>ecosystem>community
4. ecosystem>habitat>community>population