Biology Unit 4 Cell Structure, Transport, Specialization

What are the differences between a UNICELLULAR ORGANISM and a MULTICELLULAR ORGANISM?

• Unicellular organisms do not have DNA

• Multicellular organisms have cell walls

• Unicellular organisms are only one celled

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which level of organization shows all of the characteristics of life?

• molecule

• cell

• atom

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What does specialization mean?

• Each cell in the human body has the same job

• Some human cells have a membrane but others do not

• Cells have different sizes and shapes because they do different jobs

Tags

NGSS.MS-LS1-2

Click on image for question

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

The picture shows four types of tissues in the body. By looking at the picture, a tissue is:

• Similar cells that work in groups

• Cells that work alone

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

These show two systems in the human body. A system is made when:

• Many organs work together

• Many cells work together

• Many tissues work together

Tags

NGSS.MS-LS1-3

Click on the image for question

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS1-1

Click on image for question

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which picture represents a tissue?

• nerve cell

• muscle

• kidney

• digestive tract

Tags

NGSS.MS-LS1-3

What is the purpose of flagella?

• Movement
• Snails
• Protection
• There is no function