Practice Quiz

Characteristics and Needs of Living Things

Directions

• Click anywhere on the screen or hit the down arrow to move to the next slide.

• Write each answer on a piece of paper to test yourself. Count the number correct.

• Study the ideas and words that you get wrong. Good Luck!

Question 1:

How many characteristics of life have we discussed in class?

Answer:

7

Question 2:

What is the word that helps us remember the characteristics of life?

Answer:

CARRUGS

Question 3:

What does the “C” stand for?

Answer:

All living organisms are made of cells.

Question 4:

What does the “A” stand for?

Answer:

All living organisms are adapted to their environment.

Question 5:

What does the “R” stand for?

Answer:

All living organisms have the ability to reproduce.

Question 6:

What does the next “R” stand for?

Answer:

All living organisms respond to stimuli.

Question 7:

What does the “U” stand for?

Answer:

All living organisms obtain and use energy.

Question 8:

What does the “G” stand for?

Answer:

All living organisms grow and develop.

Question 9:

What does the “S” stand for?

Answer:

All living organisms maintain a stable internal environment.

Question 10:

Identify the stimulus and response:

A wasp smells the sweet odor of a plant and flies toward the plant.

Answer:

Stimulus = scent (odor) of plant

Response = wasp flying toward plant

Question 11:

Identify the stimulus and response:

A plant’s leaves grow toward sunlight.

Answer:

Stimulus = sunlight

Response = growth toward sunlight

Question 12:

What is an autotroph?

Answer:

An autotroph is an organism that can produce its own nutrients.

Question 13:

What is a heterotroph?

Answer:

A heterotroph is an organism that must obtain its nutrients because it cannot produce its own

nutrients.

Question 14:

Is a plant considered to be an autotroph or a heterotroph? Why?

Answer:

A plant is an autotroph because it makes its own nutrients through photosynthesis.

Question 15:

Based upon our yeast lab, are yeast considered to be autotrophs or heterotrophs? Why?

Answer:

Yeast are heterotrophs because they cannot produce their own nutrients. The yeast became active when we gave them nutrients (sugars).

Question 16:

What is the difference between a multicellular organism and a unicellular organism?

Answer:

A unicellular organism is made of one cell, while a multicellular organism is made of more than one

cell.

Question 17:

Are you unicellular or multicellular? Why?

Answer:

Humans are multicellular because we are made of billions of cells.

Question 18:

Why do organisms need to take in nutrients?

Answer:

Organisms use nutrients to create energy.

Question 19:List one behavior and one physical adaptation

that enables a squirrel to survive.

Answer:

Physical adaptation examples:

Claws, fur, large eyes, tail

Behavior adaptation examples:

Climbing, building nests, running away from danger

Question 20:

What is the first question that we could ask to figure out if something is a living organism?

Answer:

Is it made of cells?

How many did you get correct?

19-20 - Awesome! You’re ready - continue your review.

16-18 - Pretty good. You’re ready, but should review a bit more.

13-15 - Hmm. You need to study more.

< 13 - You really need to study your definitions and practice problems.