Chapter 1 Lesson 1Living Things Flashcards
Living things
Chemicals Reproduce Energy Grow/develop Respond/change Cells
Chemicals
Nucleic acid- made of DNA
Protein- build strong cells
Lipids- fat that works with protein to build strong cells
Carbs- energy source
Most water abundant
Respond/ change
Stimulus- causes a change in environment
Honeostasis-keeping your body in check
Reproduce
Sexual- 2 parents mix dna
Asexual- 1 parent indentical DNA
Grow/ develop
Grow- large
Develop- more complex organism
Cells
Multicellular- more than one cell humans
Unicellular- one cell bacteria
Basic building block of all living things
Energy
Metabolism- breaks down your food to provide energy for your cells
What do all living things have?
Cellular organization Similar chemicals (DNA) Use energy Stimulus Grow and develop Reproduce
What are the general material of cells
Nucleuc acid
Spontaneous generation
The mistaken idea that living things can arise from nonliving sources
Who helped prove spontaneous generation was not real
Francisco ready
In oh what scientist carries out series of tests that are identical in every respect except for one factor
Controlled expierment
What is the one factor that a scientist changes in an experiment
Manipulated variable
What is the factor that changes as a result of changes to the manipulated variable
Responding variable
Who designed a second expierment to disprove spontaneous generation
Louis Pasteur
