encircle the letter that corresponds to the best answer.

1. which of the following is a characteristic of all living things?

a. All living things need oxygen.
b. All living things grow.
c. All living things woll move.
d. All living things breathe.

2. whichi of the following means making more of the same king of organism?

a. grow
b. use energy
c. develop
d. reproduce

3. If the is an increase on mass, what has happened?

a. respone to a stimulus
b. growth & development
c. use of energy
d. reproduction

4. what is the stimulus in the given situation?

Situation: All students begin to pack up after the lunch bell rings.

a. All the students
b. The lunch bell rings
c. Students begin to pack
d. There is no stimulus in the situation

5. Which of the following is NOT a characteristic of a living thing?

a. All living things can be unicellular or multicellular
b. All living things grow and develop.
c. All living things move by using energy.
d. All living things move by using energy.

6. What is the response in the given situation?

Situation: Over several weeks, a tomato plant grows towards the window with the sunlight shining through.

a. Window with sunlight
b. Several weeks
c. There isn't a response in the situation
d. Tomato plant growing

7. Which of the following is not considered a living thing?

a. Fungus
b. Seed
c. Fire
d. Single celled protist

8. What is the basic unit of life?

a. Growth
b. Reproduction
c. Cells
d. Energy

9. What is the stimulus in the following situation? Your alam clock rings in the morning and you wake up to get ready for school.

a. alam clock rings
b. the morning
c. getting ready for school
d. you wake up

10. What are the top 5 characteristic used by scientist to classify something as living or non-living?

a. respond to stimuli, grow & develop, use energy, does not reproduce, made of cells

b. growth & development, use energy, made of cells, reproduction, response to stimuli

c. use of energy, reproduction, made of many cells, response to stimuli, growth & development

d. none of the above


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