What is the original source of energy for all organisms in a pond ecosystem?

• water

• plants

• animals

• sun

Tags

NGSS.MS-LS1-6

Which food chain shows the correct flow of energy through a prairie ecosystem?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

This graph shows the population of coral reef fish in a certain area over several years. What is the best explanation for what is happening to the population of coral reef fish in this area?

• The fish have more shelter from predators.

• There are more predators in the ecosystem.

• The food supply of the fish has increased.

• The amount of sunlight is increasing.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In this food chain, the arrows are used to show the flow of energy. The grasshopper gets its energy directly from the

• Grass

• Snake

• Frog

• Sun

Tags

NGSS.MS-LS2-3

The diagram shows a grassland food chain. If the mice are removed from this food chain, which animal population would most likely be affected first?

• Plant seeds

• Field Mice

• Snakes

• Mountain Lions

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is represented in the diagram below?

• Evaporation of water

• Transfer of energy

• Reflection of light

• Animal life cycle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following correctly shows how energy moves through a food chain?

• Sun -> meat eaters -> plants -> plant eaters

• Sun -> plants -> plant eaters -> meat eaters

• Sun -> plant eaters -> meat eaters -> plants

• Sun -> plants -> meat eaters -> plant eaters

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Based on the food chain illustrated below, what effect would be the most likely direct result of increasing the number of fish?

• Beetles would have trouble finding food.

• There would be more kinds of plants.

• The population of beetles would decrease.

• Plants would no longer survive in this habitat.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The arrows in the diagram represent -

• an increase in size

• the flow of energy

• how they move

• decreasing temperature

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement correctly describes how energy flows in the food chain shown here?

• From plant to Sun

• From snake to mosquito

• From bird to plant

• From mosquito to bird

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3