Ilearn Prep

Choose the correct words or phrases to fit into the blanks to complete the sentence.

Plants use the process of photosynthesis to make _____________ so that they can __________________________.

• Sugar, Make food for consumers

• Sugar, Grow and reproduce

• Solar energy, Dispose of waste

• Oxygen, Stay warm

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Plants maintain homeostasis (get their needs met) by conducting POSITIVE phototropism. What is that?

• When a plant grows toward light.

• When a plant grows away from light.

• When a plant doesn't move at all.

• When a plant wilts.

Tags

NGSS.MS-LS1-5

Biologists studied the effects of light on the growth of plant seedlings. Five seedlings were exposed to different conditions. The conditions are given in Table 1.

Which conclusion can be made about how light affected the seedlings?

Use the picture below to help.

• 
• The tip of the seedling responds to light to maintain homeostasis

• The base of the seedling responds to light to maintain homeostasis

• The seedling does not need to respond to light to maintain homeostasis.

• Both the tip and the base of the seedling respond to light to maintain homeostasis

Tags

NGSS.MS-LS1-5

What are organisms that use other organisms (like producers) for food to gain energy?

• decomposers

• producers

• herbivores

• consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

List the steps of the scientific method

d

e

f

c

b

a

Conduct experiment

Communicate results

Ask a question

Draw conclusions

Analyze results

Form a hypothesis

Tags

NGSS.MS-PS2-2

A musk thistle plant was moved into a new environment. The musk thistles grew very well in their new home. Other plants in the area began to die because the musk thistles were taking all the nutrients from the soil.

A scientist discovered the problem and decided to bring in weevils. Weevils eat musk thistles. The weevils ate the musk thistles and greatly reduced their numbers. Some of the plants native to the area began to grow again.

Which statement from the story describes a feedback mechanism that is keeping a population within certain limits?

• The musk thistles grew very well in their new home.

• A scientist discovered the problem and decided to bring in weevils.

• The weevils ate the musk thistles and greatly reduced their numbers.

• Some of the plants native to the area began to grow again.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which planet is known as the Red Planet?

• Earth

• Mars

• Jupiter

• Venus

What is the process by which plants make their food using sunlight?

• Photosynthesis

• Respiration

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

What is the force that pulls objects toward the center of the Earth?

• Magnetism

• Friction

• Gravity

• Electricity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4