8.13B Ecosystem Stability

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

Tags

NGSS.MS-LS2-3

Match the following

• This is an organism that relies on other organisms for its food and energy supply; heterotroph

• Parasite

• This is an organism which feeds on, but usually does not kill, a larger organism

• Decomposer

• This is an animal that lives by preying on other animals.

• Producer

• This is an organism that breaks down and gains nutrients from dead organisms.

• Consumer

• This is an organism that supplies matter and energy, also known as an autotroph.

• Predator

Tags

NGSS.MS-LS2-3

Match the following:

• Snake

• Producer/Autotroph

• Bird

• Tertiary Consumer

• Grasshopper

• Secondary Consumer

• Owl

• Herbivore

• Plant

• Top Predator

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Select the primary consumer(s).

Tags

NGSS.MS-LS2-2

The arrows in a food chain or web represents (a)   .

• They point to the organism that is
• It shows how sunlight flows within
• They show what direction the energy
• They represent how water is transfe

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Reorder the Trophic Levels beginning with the level that holds the MOST energy.

• Producer

• Secondary Consumer

• Quaternary Consumer

• Primary Consumer

• Tertiary Consumer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

For the food chain shown, which of the following changes would have the most severe consequences?

• a drastic decrease in rainfall, causing a drought

• the poaching of predatory hawks by game hunters

• the introduction of a second predator that eats field mice

• a parasitic infestation that reduces the cricket population

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.

• The number of primary consumers would increase.

• The number of plants would increase.

• The number of secondary consumers would increase.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

Tags

NGSS.MS-LS2-4

Which of the following is a food chain in the food web?

• Rabbit, mountain lion, fox

• Grass, grasshopper, frog, snake, hawk

• Grass, caterpillar, robin, mountain lion

• Tree, deer, mountain lion, fox

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2