Science Fusion Intro to Ecology

Which of the following statements is true?

• The community is the lowest level of the biosphere’s organizational hierarchy to include members of different species.

• Biomes are unique and do not appear more than once on Earth.

• The defining characteristic of deserts is their high daytime temperatures.

• Aquatic biomes contain no communities.

Which of the following is a biotic factor of an ecosystem?

• Soil

• Trees

• Sunlight

• Temperature

Tags

NGSS.MS-LS1-4

The biosphere is best described as the regions of Earth that support _______.

• plant life

• animal life

• all life

• human life

A recent study has shown an increase in the number of predators in an ecosystem. Which of the following is a possible cause for the growth?

• A decrease in the population of prey it feeds on.

• An increase in the population of prey it feeds on.

• A decrease in the biodiversity of the ecosystem.

• An increase in the number of predators that feed on it.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A portion of grass in a prairie ecosystem was destroyed by wildfire. What will most likely happen to the population of bison that feed on the grass?

• The number of bison will increase.

• The number of bison will decrease.

• The bison in the ecosystem will be completely wiped out.

• The number of bison will remain unchanged.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Arrange the events of succession after a volcano erupted in their proper order.

• pioneer species, plant growth, soil formation

• pioneer species, soil formation, plant growth

• soil formation, pioneer species, plant growth

• soil formation, plant growth, pioneer species

What types of organisms will be affected by a decreased supply of water in an ecosystem?

• Producers, consumers, and decomposers will be affected.

• Producers and consumers will be affected.

• Consumers and decomposers will be affected.

• No organisms will be affected.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What types of organisms would you expect to see in an area that recently experienced a volcanic eruption?

• trees

• mosses and lichen

• grass and bushes

• all types of organisms in fewer numbers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What type of succesion occurs after a forest fire?

• Primary succesion

• Secondary succesion

• neither one

• both

Which of the following statements about primary succession is not true?

• Primary success occurs in areas with no soil.

• In primary succession, pioneer species are the original inhabitants.

• Primary success leads to secondary succession.

• Primary succession occurs in areas containing soil.