Unit 7/8 Assessment

Which of the following best describes the role of producers in an ecosystem?

• They decompose organic matter.

• They convert solar energy into chemical energy through photosynthesis.

• They consume other organisms for energy.

• They provide shelter for other organisms.

Tags

GA.S7L4.a

In a food web, what would likely happen if a top predator is removed from the ecosystem?

• The population of prey species would decrease.

• The ecosystem would remain unchanged.

• The population of prey species would increase.

• The producers would become extinct.

Tags

GA.S7L4.a

Which of the following is an example of an abiotic component of an ecosystem?

• Plants

• Animals

• Water

• Fungi

Tags

GA.S7L4.b

How does energy flow through an ecosystem?

• From consumers to producers

• From decomposers to producers

• From producers to consumers

• From consumers to decomposers

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GA.S7L4.b

Develop a model to explain how matter cycles between biotic and abiotic components in an ecosystem.

• Matter is created and destroyed as it moves through the ecosystem.

• Matter cycles through the ecosystem in a linear path.

• Matter cycles through the ecosystem in a closed loop, involving both biotic and abiotic components.

• Matter only cycles through biotic components.

Tags

GA.S7L4.b

Which of the following factors can affect the population size of a species in an ecosystem?

• The color of the species

• The availability of resources

• The species' name

• The time of day

Tags

GA.S7L4.c

Analyze the impact of a prolonged drought on a grassland ecosystem.

• Increased plant growth

• Decreased animal migration

• Reduced water availability leading to decreased plant and animal populations

• Increased water availability

Tags

GA.S7L4.c

Which of the following is a biotic factor that can influence an ecosystem?

• Temperature

• Soil pH

• Predation

• Sunlight

Tags

GA.S7L4.a

What is the primary source of energy for most ecosystems on Earth?

• Wind

• Water

• The Sun

• Geothermal heat

Tags

GA.S7L4.b

How might human activity, such as deforestation, impact an ecosystem?

• It increases biodiversity.

• It stabilizes the climate.

• It can lead to habitat loss and decreased biodiversity.

• It has no impact on the ecosystem.

Tags

GA.S7L4.c