True or False?
All living things are composed of one cell.
False! Most living things are composed of more than one cell! (multicellular)
100
made up of amino acids
protein
100
The loss of water from leaves is called:
transpiration
200
Exponential Notation of kilo:
10^3
200
What I need to change in an experiment
independent variable
200
The sum of all chemical processes that occur in an organism
metabolism
200
help cells to bind and deliver oxygen throughout the body
hemoglobin
200
The tiny pores or openings in leaves that take in the carbon dioxide are called:
stomata
300
Exponential Notation of micro:
10^-6
300
What I observe or measure in an experiment
dependent variable
300
List 6 characteristics of living things
a. All living things are composed of one or more cells.
b. Living Things Respond to stimuli
c. Living Things Reproduce
d. Living Things Have DNA
e. Living Things Use Energy for *metabolism
f. Living Things Grow and Develop
300
The carbohydrates made of hundreds of sugar molecules
complex carbohydrates
300
The tubes that bring water from the roots to the leaves are called:
Xylem
400
80000 dm = ________m
8000 m
400
What I keep the same for making an experiment fair
control variable
400
What characteristics of living things could explain this:
Tiny seeds turn into plants and trees.
living things grow up!
400
The Lipids that form much of the cell membrane
Phospholipids
400
What are three things needed for photosynthesis?
water, carbon dioxide, oxygen
500
560 micro-meter=_________ kilo-meter
560*10^-9
500
Does heating a cup of water allow it to dissolve more sugar? What is the dependent variable (DV)?
1. the temperature of water
2. the amount of dissolved sugar
1. the temperature of water
500
What characteristics of living things could explain this:
The dogs bark when someone knocks
respond stimuli
500
Nucleic acid that has all the information needed for a cell to make proteins
DNA
500
The molecule that absorbs sunlight and uses its energy to synthesise carbohydrates from CO2 and water