Ecosystem review

Which of the following statements about the biosphere is not true?

• The biosphere is a system closed to matter.

• Energy enters the biosphere in the form of sunlight.

• Nutrients in the biosphere must be continuously recycled.

• Matter is constantly added to the biosphere.

Tags

NGSS.MS-LS2-3

Which of the following is not an ecosystem?

• vacant lot

• oak forest

• coral reef

• utility pole

If you visited a savanna, you would likely see

• large herds of grazing animals, such as rhinos, gazelles, and giraffes.

• a dense forest.

• snow and ice.

• a coastal ecosystem.

The community of a pond is made up of all the

• abiotic factors in the water.

• habitats in and around the water.

• populations of fish, insects, and other living organisms.

• resources organisms need.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Biomes

• contain two ecosystems, hence the name “biome.”

• are usually described by their vegetation.

• exist in limited regions of the world.

• All of the above

The distance north or south of the equator, as measured in degrees, is called

• altitude.

• latitude.

• longitude.

• magnitude.

Biomes with higher temperatures and less precipitation tend to have

• shorter and less dense vegetation.

• taller and denser vegetation

• taller and less dense vegetation.

• shorter and denser vegetation.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-5

Which of the following statements is not correct?

• Grasslands have rich soil that supports abundant plant life.

• The tundra is a fragile biome because conditions are severe, and the ecosystem is easily disrupted.

• Chaparral fires are beneficial because they destroy trees that compete for light and space.

• Tropical rain forests are resistant to change because so many nutrients are within the plants.

Tags

NGSS.MS-LS2-4

Which of the following best describes a tropical rain forest?

• dense, thick soil that supports a dense layer of plants on the forest floor

• large amount of rainfall, high temperatures, and poor soil.

• very few species of trees, due to poor soil quality

• plants and animals that are very similar due to year-round warmth and moisture

The most common types of plants in the taiga biome are

• deciduous trees.

• coniferous trees.

• short shrubs.

• grasses.