Ecology & populations

What is the correct order for this food chain?

• Owl, Mouse, Grasshopper, Grass

• Grass, Mouse, Owl, Grasshopper

• Grass, Owl, Grasshopper, Mouse

• Grass, Grasshopper, Mouse, Owl

Tags

NGSS.MS-LS2-3

Which of these organisms is the secondary consumer?

• Owl

• Mouse

• Grass

• Grasshopper

Tags

NGSS.MS-LS2-3

What do herbivores eat?

• Animals

• Plants and Animals

• Plants

• Dead Animals

How much energy is transferred between trophic levels?

• 25%

• 20%

• 10%

• 90%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Volcano erupting would be an example of what type of succession?

• Primary

• Secondary

• Tertiary

Which of these is an autotroph?

• Consumer

• Producer

• Decomposer

The difference between weather and climate is that climate is:

• The average, year-to-year conditions

• The day-to-day conditions

• Described in terms of months at a time

• B and C are both correct

Tags

NGSS.MS-ESS2-5

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

Tags

NGSS.MS-LS2-2

In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

Tags

NGSS.MS-LS2-2

In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.

What type of ecological succession happened?

• Primary succession

• Secondary succession

• Tertiary succession

• None of the above

Tags

NGSS.MS-LS2-4