Science 4- Reviewer- 2nd TRI

Which population is found in a rainforest ecosystem?

• antelopes

• monkeys

• sponges

. Ecosystems have producers, consumers, and decomposers. Why are producers important in an ecosystem?

• They produce food for other organism

• They break down remains of dead plants.

• They consume food for other consumers.

In a rainforest, why do fewer plants grow closer to the ground?

• Earthworms eat the plants living on the ground.

• Vines allow little space for ground plants to grow.

• Little light gets through the canopy to the forest floor.

Which adaptation of this mountain lion enables it to catch the deer?

• strong legs

• a long tail

• small ears

Where would an animal with thick white fur and a thick layer of fat most likely live?

 

• in the desert

• in a stream

• in a polar region

Which adaptation will help the rabbit detect the wolf so that it can escape?

• thick fur

• large ears            

• cotton tail

Where would an animal with large ears and thin fur most likely live?

• in a desert

• in a stream

• polar region       

 It’s a location of an object.

• Position

• motion

• force

The change of the position is called :

• motion

• force

• velocity

the position of an object changes during a certain amount of   time

• force

• speed

• velocity