6th grade levels of organization

How many cells does a unicellular organism have?

• 1

• 2

• 300 million

• 0

Humans and dogs are both ______________.

• prokaryotes

• eukaryotes

• nokaryotes

• mammalotes

The process by which cells become different types of cells is _____________.

• cell brain

• cell membrane

• cellular respiration

• cell differentiation

Unspecialized cells that are able to develop into many different cell types are ___________.

• steam cells

• stem cells

• stage cell

• specalized cells

Groups of similar cells that work together to carry out specific tasks are __________.

• cells

• tissues

• organs

• organ systems

Groups of different tissues working together to perform a particular job are ________________.

• cells

• tissues

• organs

• organ system

Groups of different organs that work together to complete a series of tasks are

• tissues

• organs

• organ systems

• organisms

An organism can be defined as one _________and living thing.

• incomplete

• complete

• almost complete

• never complete

A liver is an example of an _______.

• tissue

• organ

• organ system

• orgaism

A human is an example of an _________.

• organ

• organ system

• organism

• invertebrate