Life Science Chapter 2
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What is a complete living thing called?
What are the 6 Characteristics of Life or an organism?
Have Life Cycles
Made of cells
Respond to their environment
What is the smallest living unit of an organism?
What is the material inside of the membrane of a cell called?
What surrounds the cell?
a thin membrane
What are organic compounds?
Substances that have carbon in them and are usually made by living cells
What does cellular mean?
made of cells
All organisms are made of ________________?
What does unicellular mean?
What does multicellular mean?
made up of many cells
What is energy?
it is the ability to do work
What is a life process that requires energy?
ALL living things are have some type of movement!!!!
All living things use ___________to respond to conditions in their environment.
What are cells?
Tiny living structures that make up ALL living things
What does it mean that cells are "specialized"?
It means that they perform functions that no other cells do.
How was the cell theory discovered?
In 1665, Robert Hooke noticed tiny box-like structures in a slice of cork. He called these boxes cells.
What does cell theory state:
All cells come from preexisting cells.
All living things are made of cells and the products of cells.
Cells perform the functions of living things
What are some cellular functions?
All cells use energy.
All cells manufacture materials.
All cells respond to their environment.
All cells reproduce themselves.
What is a molecule?
It is the smallest unit of a substance that consists of two or more atoms.
What is an atom?
It is the smallest unit of an element; It forms molecules when it is bonded to other atoms
What is taxonomy?
It is the science of classifying organisms.
How does classification of organisms (or taxonomy) help us?
Generalization of organisms
Finding information about specific organisms is easier.
What are the 8 rules for a scientific name?
Must have genus and species.
The whole name is EITHER underlined or italicized (but not both)
Only Genus is Capitalized
A valid name is one that was applied in 1753 or later.
Name must not duplicate a previous name.
The first name that is proposed that follows rules 1-7 has priority.
What substances on the PH chart were neutral?
What substances on the PH chart were acidic?
What substances on the PH chart were basic?
How many levels of classification are there in our classification system? What are they in order.
kingdom, phylum, class, order, family, genus, species
STUDY THE MOLECULES OF LIVING ORGANISMS TABLE
What are some molecules in living organisms?
What are carbohydrates made of?
carbon, hydrogen, oxygen
Name some examples of carbohydrates
What are lipids made of?
Name some examples of lipids.
What are proteins made of?
Name some examples of proteins.
- building blocks
What are nucleic acids made of?
Name some examples of nucleic acids?
STUDY THE SECTION REVIEW QUESTIONS FROM YOUR TEXTBOOK AND YOUR LAB BOOK!!
What would you like to do?
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