Elements of Life

Biology starts at the level of ___________ and moves through the study of biospheres.

• atoms

• cells

• organs

• organisms

Tags

NGSS.HS-LS1-2

A substance that cannot be decomposed into simpler substances by chemical means - made up of the same atoms

• atom

• element

• molecule

• organism

Tags

NGSS.MS-PS1-1

This element makes up about 63% of the mass of animals and 75% of the mass of plants.

• nitrogen

• carbon

• oxygen

• hydrogen

This element is an important part of DNA molecules.

• phosphorus

• hydrogen

• sulfur

• iron

Tags

NGSS.HS-LS1-1

Which of the following elements is the main element in the hard part of bones?

• nitrogen

• hydrogen

• oxygen

• calcium

Which element is essential for metabolic processes in the body like the synthesis of proteins used during electron transport for aerobic cell respiration?

• iron

• calcium

• sulfur

• phosphorus

Tags

NGSS.HS-LS1-1

Which of the following is NOT a characteristic of living things?

• ability to change temperature

• ability to move

• ability to grow

• ability to respond to changes in the environment

Which of the following are characteristics of only living things? Mark all that apply

• made of cells

• respiration

• excretion

• made of atoms

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Living things can be unicellular or multicellular.

• true

• false

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

a major component of genes and proteins

• nitrogen

• sulfur

• iron

• oxygen

Tags

NGSS.HS-LS1-1