Liberty University answers complete
solutions Individual Assignment 3 – 10
Discoveries in the War on Cancer
Scientific Method - answer- A logical, systematic approach to the solution of a scientific
problem
laws/scientific law - answer- are not explained
scientific theory/theory - answer- must be testable w consistent results
-must be falsifiable
-cant prove in science but can show results
hypothesis - answer- a proposed explanation, tries to solve a problem
-you can never prove your hypothesis but you can fail to reject
-needs to explain the reason for the experiment and the explanation that is being tested
hypothesis vs prediction - answer- hypos need to explain the reason for the experiment
and the explanation that is being tested
hypos are longer
experiment - answer- an orderly procedure carried out w the goal of validating or
rejecting a hypothesis
variables - answer- characteristic that is being measured (changes)
controls - answer- static characteristic (remains unchanged)
properties of life - answer- 1. order
2. reproduction
3. growth & development
4. energy processing
5. regulation
6. response to environment
7. evolutionary adaptation
1. order - answer- must be made up of cells & must conform to life's hierarchy of
organization
, 2. reproduction - answer- must be able to pass genetic information on its own
-make babies
3. growth and development - answer- grow in size or numbers
-life cycle
4. energy processing - answer- must acquire chemical energy
5. regulation - answer- must maintain internal environment
-homeostatis
-must be able to regulate body temp
6. response to environment - answer- must respond to external stimuli
-moves if you poke it
evolutionary adaptation - answer- must be able to adapt to their environment
how organisms are organized - answer- atom
molecule
organelle
cell
tissues
organ
organ system
organism
population
community
ecosystem
biosphere
atom - answer- basic building block of the universe or matter
molecule - answer- made up of 2 or more atoms covalently bonded together
organelle - answer- membrane-bound structure within cell
-has specific functions
cell - answer- basic building block of life
tissues - answer- groups of cells with similar function
organ - answer- different tissues w/in a structure unit, w/similar function
organ system - answer- different organs that work together for a specific function