Ecosystems Unit Assessment

The food that plants produce during photosynthesis is:

• sucrose

• glucose

• water

• oxygen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the original source of energy for most ecosystems?

• grass

• humans

• the sun

• heat

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

According to the passage, what do rafflesia plants lack?

• Leaves, roots, and stalks

• Flowers and seeds

• Sunlight and water

• Vines and berries

Refer to Picture 1. Rafflesia Flower. Rafflesia plants get their energy and matter from a vine plant named ________.

• Tetrastigma

• Bougainvillea

• Cuscuta

• Ipomoea

Rafflesia plants use the Sun to make energy.

• True

• False

Tags

NGSS.MS-LS1-6

What attracts pollinators to the rafflesia flower?

• Its bright color

• Its sweet nectar

• Its terrible smell

• Its large size

After the rafflesia flower is pollinated, what happens next?

• The flower produces seeds.

• The flower changes color.

• The flower grows larger.

• The flower starts to photosynthesize.

Some scientists want to know more about how rafflesia plants affect Tetrastigma vines. Which question should the scientists test?

• How does the habitat of the rafflesia plant affect the rate of Tetrastigma growth?

• How does the size of the rafflesia plant affect the amount of air available for Tetrastigma growth?

• How does the color of the rafflesia plant affect the amount of soil the Tetrastigma can use for its growth?

• How does the presence of the rafflesia plant affect the amount of water the Tetrastigma can use for its growth?

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which type of insect will most likely be attracted to rafflesia flowers?

• insects that live on the flowers

• insects that hunt other insects

• insects that break down dead animals

• insects that eat plant stems and leaves

Tags

NGSS.MS-LS1-4

Rafflesia plants do not provide food for insects that are attracted to their flowers. Why do the insects most likely visit rafflesia flowers?

• The insects are looking for a place to live on the flowers.

• The insects are attracted to the movement of the flowers.

• The insects are following other insects that eat the flowers.

• The insects are attracted to the rotting meat smell from the flowers.