Bailee - Science

Question 1

Name the 8 characteristics of living things

Answer 1

cells, dna, reproduce, grow, respond, adapt, energy, internal balanced

Question 2

what are cells?

Answer 2

all living things/the building blocks of life

Question 3

what is DNA?

Answer 3

genetic code

Question 4

what does reproduce mean?

Answer 4

off spring

Question 5

what does grow mean?

Answer 5

increase in size

Question 6

what is respond?

Answer 6

A reaction to change in enviorment

Question 7

what does adapt mean?

Answer 7

change over time for survival

Question 8

what is energy?

Answer 8

The ability to work or cause change.

Question 9

what is internal balance?

Answer 9

to maintain and sustain

Question 10

What is the difference between unicellular and multicellular?

Answer 10

Unicellular - has only 1 cell
performs all functions
does everything organisms do
Multicellular - has more then 1 cell
does specific functions
has different organisms

Question 11

2 examples of unicellular organisms and 1 example of multicellular organisms.

Answer 11

Unicellular - Yeast, Bacteria
Multicellular - Humans, animals

Question 12

Name 5 living things needed to survive

Answer 12

1. Food and water
2. Oxygen
3. Living space
4. Proper temperature
5. Energy

Question 13

Explain food and water

Answer 13

source of energy and needed for growth, chemicals, and waste product.

Question 14

Explain oxygenn

Answer 14

needed for respiration, and it creates Co2 then plallnts sesese Co2 for photo synthesis.

Question 15

Explain proper temp.

Answer 15

Homeostasis = ability of organism to keep condition inside body even in environmental change.

Question 16

Living space

Answer 16

Limited people for each place, animals defend their own territory.

Question 17

Name 3 things that food and water is used for

Answer 17

1. growth
2. repairs body parts
3. water transports chemicals and waste products.

Question 18

What is the main source of energy for living things?

Answer 18

The sun

Question 19

What do plants use for photosynthesis?

Answer 19

Co2, sun, chlorophyl

Question 20

What does multicellular mean?

Answer 20

more than 1 cell

Question 21

What does unicellular mean?

Answer 21

only 1 cell

Question 22

What does metabolism mean?

Answer 22

getting energy by breaking down matter

Question 23

What does Homeostasis mean?

Answer 23

It can maintain the body temperature regardless of the outside temperature.

Question 24

What does Heterotroph mean?

Answer 24

cant make its own food. Eats living things

Question 25

What does interdependent mean?

Answer 25

When 2 things depend on eachother.

Question 26

What is an organism?

Answer 26

A living thing

Question 27

What does stimulus mean?

Answer 27

A change in environment

Question 28

Will your heart rate increase or decrease after exercise?

Answer 28

It increases because 1. your muscle cells are working hard. 2. You use oxygen quickly/you reproduce more Co2 as waste product. 3. When i ran, my heart rate went higher then when i was resting.

Question 29

What effect does salt water or regular water have on the body?

Answer 29

Fresh water - your cells will expand
Salt water - Your cells will decrease/will not expand/become smaller

Question 30

What effect does saltwater have on your body?

Answer 30

It makes your cells become smaller