Ecosystems

What structure do some vines have that helps them reach more sunlight?

• tendrils

• deep roots

• light colored

• leaves

• waxy stems

How might waxy skin help a plant survive in the desert?

• It will hold in as much water as possible.

• It will absorb more sunlight.

• It will keep insects from eating the plant.

• It keeps the plant cool on hot days.

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NGSS.MS-LS1-5

What other organisms should be added to the list?

• clean, fresh air

• flat, smooth rocks

• red-eared slider turtles

• fresh water

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NGSS.MS-LS2-1

What structure would be most helpful for one animal to escape from another animal in the forest?

• pale, sandy colored fur

• a fat tail to hold extra water

• strong legs and claws to climb quickly

• long legs for walking in mud

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NGSS.MS-LS4-4

Which structure helps the cricket escape from other animals?

• ears on its legs

• strong back legs

• lenses in eyes

• antennae on the head

Which structure best helps a cactus hold more water?

• shallow roots

• tendrils

• expandable stem

• leaves that fall in the autum

This chart helps explain that forests can support large numbers of animal populations because -

• trees provide food and shelter for many animals.

• forests have rats and bears.

• more animals live in nests than in other types of shelter.

• most animals eat fruit and seeds.

Tags

NGSS.MS-LS2-1

How is the function of the roots of the prickly pear cactus different from the roots of an oak tree in a forest?

• They do not take in water.

• They take in rain or dew quickly at the surface.

• They are much longer than the roots of forest plants.

• These roots help the cactus grow back after a fire.

Tags

NGSS.MS-LS2-1

Which of the following is the best example of a population in the prairie ecosystem?

• the rocks

• the sun

• the stream

• the bison

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of these statements best explain how a kangaroo rat meets its need for water in a desert ecosystem?

• They have fur covering the bottoms of their feet.

• They are active at night and sleep during the day.

• They get all the water they need from the foods that they eat.

• They have light, sandy colored fur.

• They do not sweat which helps them keep water in their bodies.