Life Essentials

Why is the earth’s distance from the sun suitable for life forms to exist?

• It gives the earth heat and light.

• It maintains the temperature of the earth.

• It provides the earth with available water for organisms.

• It supplies the earth with enough gases in the atmosphere.

Tags

NGSS.MS-ESS2-6

Earth is currently 150 million km away from the Sun. If Earth was 200 million km away from the Sun, it would no longer support life because -

• the surface water would evaporate.

• the temperature would be too cold.

• the oxygen would leave the atmosphere.

• there would be less exposure to solar wind.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-5

The layer of ozone in the upper atmosphere of Earth is important to life because it shields Earth from -

• impacts from meteors.

• solar winds.
  solar winds.

• ultraviolet radiation.

• changes in temperature.

What molecule that contains the code to make proteins is considered the blueprint for life?

• Amino Acid

• DNA

• H2O

• None of these

Tags

NGSS.MS-LS3-1

Which elements are required in a certain ratio to produce life?

• C,H,O,S

• C,H,O,Na

• C,H,O,N,P

• C,He,O,N,P

The molecules needed for life are called...

• Atoms

• Biomolecules

• photosynthesis 

• elements

Tags

NGSS.HS-LS1-6

Which biomolecule has amino acids as their monomer?

• Carbohydrate

• Nucleic acid

• lipid

• protein

Tags

NGSS.HS-LS1-1

True or False: Biomolecules are necessary for ALL living organisms

Tags

NGSS.MS-LS3-1

What biomolecule do enzymes belong to? 

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following is considered a life essential element in the human body?

• Carbon

• Helium

• Argon

• Neon