Ecosystems Test Corrections

Which of the following processes is part of the carbon cycle?

• decomposers put carbon into the soil by breaking down dead organisms

• factories remove carbon from the air by burning fossil fuels

• plant put carbon back into the air by photosynthesis

• animals remove carbon from the air by respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which are two abiotic factors that affect the survival of the aquatic organisms?

• phytoplankton and lilies

• water quality and sunlight

• grasses and duck

• turtles and deer

Tags

NGSS.MS-LS2-4

One limitation of food webs is that they do not

• include producers

• show consumers

• include all species in the ecosystem

• show predator-prey relationships

Which individual behavior most influences the behavior of a population?

• a bee dancing in a hive to show the location of nectar

• a chimp grooming another member of its troop

• a baby goose learning to follow its mother

• a bird foraging for food in one section of a tree

Tags

NGSS.MS-LS2-2

Two different species of insect-eating birds feed and rest at different levels in the same evergreen tree to avoid

• predators

• parasites

• succession

• competition

Tags

NGSS.MS-LS2-2

Which statement best describes symbiotic relationship?

• different species live in close associations in an ecosystem

• abiotic factors interact interact in an ecosystem

• saprophytes respond to abiotic changes in an ecosystem

• ecosystem feeding levels show changes in energy

Tags

NGSS.MS-LS2-2

In a forest ecosystem the abiotic factors include

• light, temperature, and plants

• minerals, oxygen, and protists

• animals, water, and soil

• water, soil, and temperature

Tags

NGSS.MS-LS2-3

All the worms represent

• a community

• a population

• an ecosystem

• a habitat

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The correct order after the individual level is

• 1. community

  2. population

  3. ecosystem

• 1. ecosystem

  2. population

  3. community

• 1. population

  2. community

  3. ecosystem

• 1. population

  2. ecosystem

  3. community

Tags

NGSS.MS-LS2-4

The tuna gets its energy directly from the

• mackerel

• shrimp

• algae

• sun

Tags

NGSS.MS-LS2-3