Unit 10: Ecology Review Day

The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

• Producers
• Consumers
• Decomposers
• Inorganic nutrients

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

all living things together in one area is called a ____________

• community

• population

• ecosystem

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

If there are 100 KJ of energy available at the secondary consumer level, how many KJ of energy are available at the producer level?

• 10 KJ

• 1,000 KJ

• 10,000 KJ

• 1 KJ

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the carrying capacity of the graph?

• around 500

• more than 800

• less than 300

• around 700

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NGSS.MS-LS2-1

Excessive amounts of rain caused a flood in the southwest United States that resulted in substantial amounts of deaths in the rabbit population? This situation is an example of a density _____________ limiting factor.

• density-independent
• density-dependent
• density- too high
• density- too low

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-ESS3-2

Over time, scientists are predicting the Baltic Sea to become less salty. As a result, there will be less biodiversity. Which best explains why the biodiversity of the Baltic Sea would decrease?

• Fewer types of plants and animals are found in warm water than in cool water.

• Plants and animals adapted for living in saltwater will grow more slowly in water that has less salt.

• Plants and animals adapted for living in saltier conditions will not be able to survive and reproduce.

• Animals adapted for living in warm water will eat all the plants and animals adapted for living in cool water.

Tags

NGSS.MS-LS2-4

In a population 220 maple trees, 25% of the population has a disease called Verticillium wilt. What is the number of trees in the population that has the disease?

• 110 trees

• 77 trees

• 55 trees

• 25 trees

Why does too much carbon dioxide in the atmosphere cause climate change?

• It cools down our planet

• It blocks out UV rays

• It traps heat and warms up our planet

• It lets sunlight escape

Tags

NGSS.MS-ESS3-5

Label the following Carbon cycle.

c

d

e

f

b

a

Decay

combustion

animals respiring

fossil fuels

photosynthesis

sunlight

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NGSS.MS-LS2-3

NGSS.MS-LS1-6