This essay has a total of 1230 words and 14 pages.
A Controlled experment allows a researcher to isolate and test a single virable
A kilogram is approx. equal to 2.2 pounds
A meter is a little longer than a yard
An astronaunt would expect her weight to be different on the moon
A milliliter is equal to cc, ml, cubic centemeter
A meter Contains 100 cm.
The weight of an object is the measure of the pull of gravity
0-100 is freezing to boiling on the celcus scale
Living orginsims produce new orginsims of the same species by reproduction
All living orginsims must obtain and use energy
The ability to react to something in the enviroment is called irritability
The metric system is based ot scaled on the powers of 10
Recorded observations are called data
The ability to reproduce your results is an important part of science.
The first step to the scientific method is to observe the problem
Sexual reproduction is nessary because it provides for verity in the offspring
The amount of matter in a substance determines its mass
Scientists measure temp. in degrees Celsius
The basic unit of liquad volume in metric is the liter
The unit measure for length is the meter
The information that you can see, hear, or smell in an experment is called data
Biology is the study if all living things
In outer space you can expect that your mass will stay the same.
There are at least 3 types of microscopes
Never Test more that 1 varable
The general term for Catabolism and anabolism us Metabolism
The life span of each organism ends up with death
The 5 branches of biology are Botanists, Zoology, Miabiology, Palentology,Ethology
Photosynthesis- Process in which autotrophs make their own food usuing the energy in light, CO2 and H2O
3 parts of the cell theory:
1.all cells come from pre existing cells
2.all living prginsims are made up of cells
3. cells are the basic unit of structure and function of a living organism
What is the difference between a plant cell and an animal cell?
A plant cell has chloroplast and some other organelles that an animal cell doesn’t. A plant cell does a process called photocenthesis which animal cell doesn’t
A nucleus is found in Eukaryotes
Ribosomes- make proteins
Mitochondira- Transform energy from food into more useful substances in the cell
Lysosmoes- Break down molecules within the cell
2 methods for materials to move through cells:
Active transport requires energy
Water will travel from an area of high concentration to low contration when seprated by a semi permible membrain.
If red cells are added to water they will explode
Another name for a cell eating a particle is Phagocyte.
When a cell drinks a liquid it is called pimocytosis
The core the atom neucleus
The building block of all matter in the universe is mostly empty space.
9c = 5f – 160 Centigrade to Fahrenheit
K = C 273 Kelvin to Centigrade
675 – 5f – 160 F to C
The basic unit of all matter is the Atom
When elements combine to form substances consisting of to or more different atoms, Chemical Compounds are produced
2 kinds of chemical Bonds
An acid is a compound that releases hydrogen ions
A base Is a compound that releases Hydroxide ions
The most important aspect of the water molecule is polar
The basic Groups of organic compounds found in living organisms.
3. Fats (liquids)
Carbohydrates- Organic compound containing carbon, hydrogen, and oxygen, or sugars and the body’s main source of energy
Proteins- Amino acids
Fats are made of – A long chain of carbon atoms with a corbox of a ylic acid on the end
C-C-C-C- = O
The 3 major roles of Lipids in living organisms:
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