Organisms

Question 1

organisms that have one cell are called? 2 examples

Answer 1

unicellular

ex. amoeba and rotifer

Question 2

organisms that have more than 1 cell are called? 2 examples

Answer 2

multicellular

ex. elephant and fish

Question 3

what is a stimulus? 1 example

Answer 3

response to the environment

ex. dog went after mouse, mouses instinct would be to flee or freeze

Question 4

what are the 3 waste products an organism must get rid of and why?

Answer 4

1. urine
2. carbon dioxide
3. feces
   to prevent death

Question 5

where can an organism get its energy from?

Answer 5

• plants
• animals
• both

Question 6

organisms respond to the _____ in certain ways

Answer 6

environment

Question 7

living things need _____ to _____

Answer 7

need energy to survive/live

Question 8

all living things ___ to full size

Answer 8

grow

Question 9

all living things must ___ to make more of their own kind

Answer 9

reproduce

Question 10

define an organism

Answer 10

living part of the environment

Question 11

define the environment

Answer 11

all things that surround an organism both non-living and living

Question 12

what is air, water, and land?

Answer 12

parts of the environment

Question 13

what is another name for savanna?

Answer 13

grasslands

Question 14

what does it mean to reproduce? types of reproduction

Answer 14

• makes copies of yourself
• asexual (without partner, complete copy)
• sexual (with a partner, identical but not the same)

Question 15

define paramecium

Answer 15

an oval-shaped, microscopic, animal that moves freely

Question 16

define rotifer

Answer 16

a microscopic animal usually stuck on rock or leaf

Question 17

define euglena

Answer 17

microscopic animal or plant

Question 18

define paddles

Answer 18

things that move the paramecium

Question 19

what are the 8 characteristics of life?

Answer 19

1. produces waste
2. reproduce
3. grow
4. responds to environment
5. source of energy
6. DNA/gene
7. respiration
8. movement

Question 20

describe the characteristic of waste production, with example

Answer 20

must get rid of CO, urine and feces

ex. drinking lots of water, you urinate

Question 21

describe the characteristic of reproduction, with example

Answer 21

carry on organism’s existence

ex. sexual or asexual

Question 22

describe the characteristic of growth, with example

Answer 22

growing physically and/or mentally
ex physically = grass growing, must cut
ex mentally = baby getting smarter

Question 23

describe the characteristic of responding to the environment, with example

Answer 23

responding

• fight
• flee
• flight/run
  ex. put sweater on when cold

Question 24

describe the characteristic of energy, with example

Answer 24

• humans/animals eat food and drink water to stay alive
• plants get energy from sunlight (photosynthesis)
• plants underwater (no sun) get energy from deep-sea vents

Question 25

describe the characteristic of DNA/gene, with example

Answer 25

passed down through organisms, something from a relative

ex. have long legs, your parents may have them too

Question 26

describe the characteristic of respiration, with example

Answer 26

cannot hold in breath forever, must breathe in new air and exhale CO
ex. running out of air, breathe in CO

Question 27

describe the characteristic of movement, with example

Answer 27

always have reason to move

ex. staying in same spot too long makes muscles weak and loss of bone density can die sooner
ex. reason to move = responding to environment