Life Systems and Biochemistry

What is Homeostasis?

• The process of an organism developing over time

• The creation of new cells in an organism.

• The bodies ability to maintain a balanced and stable internal environment.

• The process of organisms evolving to adapt to their environment.

Name the four types of systems​

What is an Ion

• Protons, Electrons and Neutrons.

• Any atom that gains or loses more than ONE electron.

• Any substance that has mass or takes up space.

• Two or more elements bonded together.

What are the three components of an atom?

True or False: The three parts that make up a biosphere are; Hydrosphere, Atmosphere and Geosphere

• False

• True

What is a Covalent Bond?

• Atoms that share electrons to for a bond?

• Bond that is responsible for water's capabilities.

• Bond that forms between a metal and a nonmetal.

• None of the above.

Bond that holds together DNA strands?

What is a closed system?

• No flow of energy, matter or information.

• Flow is limited in

  some way.

• A system that exchanges both matter and energy with its surroundings.

True or False:

Cell -- Tissue -- System -- Organ -- Organism

Is this how the system works in the human body?

• False

• True

Living things are known as Biotic?

True or False

• True

• False