5th - Science Unit 4 Lesson 2

Question 0

A group of tissues working together to do a certain job.

Answer 0

Organ

Question 1

A group of similar cells that work together at the same job.

Answer 1

Tissue

Question 2

A group of organs that work together to do a certain job

Answer 2

Organ system

Question 3

List the five characteristics of living things.

Answer 3

1. Living things are made of cells
2. Living things obtain and use energy
3. Living things reproduce
4. Living things grow and develop
5. Living things respond to the environment

Question 4

How do cells work together - smallest to largest?

Answer 4

1. Cell
2. Tissue
3. Organ (example lung or leaf)
4. Organ system (example respiratory system or root system)
5. Organism (example lizard or dandelion)

Question 5

Name some plant organ systems.

Answer 5

1. Root system
2. Shoot system (stems & leaves)
3. Reproductive system
4. Transporting materials system

Question 6

Name some animal organ systems.

Answer 6

1. Digestive system (breaks down food for energy)
2. Skeletal system (bones)
3. Muscular system
4. Nervous system (brain)
5. Respiratory system (lungs)
6. Circulatory system (heart)