L.5.3B Review

Which group of animals are producers in the food web?

• Butterfly, Grasshopper, and Mouse

• 
  Wolf, Hawk, and Raccoon

• Grass, Tree, and Acorn

• Deer, Squirrel, and Cardinal

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

What is a common feature between an estuary and an ocean ecosystem?

• Both are freshwater ecosystems.

• Both are deep water ecosystems.

• Both contain different plants and animals at different depths.

• Both contain a deep bottom zone where sunlight does not reach.

A variation in which factor is least likely to have an effect on an ocean ecosystem?

• depth

• rainfall

• 
  salinity

• 
  temperature

The boxes in the diagram represent organisms in a food chain. Which species would best   represent organism 4 in the food chain diagram?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

Energy is passed in an ecosystem through a food web. In this food web, which organism is the decomposer?

• Clover

• 
  Mushroom

• Rabbit

• Sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

The image shows the population of deer in a forest; each deer pictured represents 50 deer. What most likely happened to cause the change in the deer population between Years 1 and 2?

• drought

• earthquake

• erosion

• hurricane

Tags

NGSS.MS-LS2-4

Lightning strikes during a thunderstorm sometimes have enough energy to start forest fires.

Which event would most likely occur as a result of a fire in a forest ecosystem?

• 
  Populations of organisms would increase because of an increase in food and shelter.

• The amount of shelter available to the organisms would remain unchanged.

• The amount of food resources available to the organisms would increase.

• Populations of organisms would decrease because of a decrease in food and shelter

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The image shows a marine food web. If humans fish most of the cods for food, what will be the likely impact on the food web?

• The number of krills will decrease.

• The number of penguins will decrease.

• 
  The number of leopard seals will increase.

• The number of small animals and protists will increase.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The model shows an ocean food web. Which statement is correct about the role of humans in the food web?

• Humans occupy the same position as the seagulls because both live on land.

• 
  Humans occupy the same position as the octopuses because both feed on mussels.

• Humans occupy a top position because they are not eaten by any other organisms.

• Humans occupy a top position because they eat different types of organisms.

Tags

NGSS.MS-LS2-3

The image shows a food web. If humans are added to the food web, and they feed on small fishes, which population will most likely increase?

• algae

• kingfisher birds

• snails

• tadpoles

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2