Science TE

Which of the following describes a relationship in which one organism depends on another for its needs?

• A rabbit burrowing in the ground

• A hawk catching and eating a mouse

• A frog cooling off in a pond

• An oak tree absorbing sunlight for food.

Which of the following would be the most likely to cause the rapid disruption of an ecosystem?

• The introduction of a new species

• A gradual change in temperature

• Varying rainfall from seas to season

• On kind of organism preying on another

Tags

NGSS.MS-LS2-4

The table shows the basic needs of a robin. Which environmental change would be harmful to the survival of a robin?

• Prairie dogs digging tunnels in the ground

• Beavers building a dam to create a pond

• Humans clearing forests to build houses

• Ants building large anthills in a schoolyard

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In any ecosystem, which of the following must be present in order to support the needs of all the animals?

• Plants are needed to transform energy from the Sun into food.

• Tall cliffs or mountains are needed to provide places for shelter.

• Soft soil is needed to allow digging and burrowing.

• Wide-open spaces are needed to watch for predators.

Tags

NGSS.MS-LS2-1

A food web for a prairie ecosystem is provided. In the ecosystem, matter is transferred from...

• Eagle ---> squirrel ---> plant seeds

• Sun ---> plant seeds ---> plant

• mountain lion ---> eagle ---> snake

• Prairie grass ---> deer ---> mountain lion

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4