Carbon is released into the atmosphere through _____ and absorbed by _____.

• decomposing organisms; respiration (breathing)

• respiration (breathing); decomposing animals

• burning fossil fuels; trees through photosynthesis

• trees through photosynthesis; burning fossil fuels

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Researchers have found this object at the bottom of the ocean. After running some tests, they determine that it is made of cells and proteins, reproduces, filters water, and has holes covering it. Choose the TWO characteristics that prove that this object is alive.

• It filters water

• It has holes covering it

• It's made of cells

• It reproduces

Tags

NGSS.MS-LS1-1

Look at the reaction on the left. Energy is being absorbed because the product (C) has _____ energy than/as the reactants (A + B).

• more

• less

• the same

Tags

NGSS.HS-PS1-4

Enzymes are proteins that _____ a chemical reaction by _____ the activation energy.

• slow down; lowering

• slow down; raising

• speed up; lowering

• speed up; raising

In the formula C₆H₁₂O₆ → 2C₃H₆O₃, which of the following would be a product?

• C₆H₁₂O₆

• 2C₃H₆O₃

• Both C₆H₁₂O₆ and 2C₃H₆O₃

The cell pictured here is a plant cell. Choose ALL of the evidence that supports this.

• It has a large vacuole

• It has a cell wall

• It has chloroplasts

• It has mitochondria

• It has a cell membrane

Tags

NGSS.MS-LS1-2

You provide your pet food, water, and a comfortable home while your pet gives you affection. Which type of relationship does this describe?

• Mutualism

• Competition

• Commensalism

• Parasitism

Your cousin is crashing on your couch (again). He eats a lot of food, takes two showers a day, and never offers to help out. Which type of relationship does this describe?

• Mutualism

• Competition

• Commensalism

• Parasitism

Many bacteria live in your body, not helping you in any way but also not harming you. Which type of relationship does this describe?

• Mutualism

• Competition

• Commensalism

• Parasitism

Tags

NGSS.HS-LS2-6

Which of the following are reactants for photosynthesis? Choose ALL that apply.

• CO₂

• H₂O

• C₆H₁₂O₆ (glucose)

• sunlight

• O₂

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3