What is Life? Guided reading questions
Why must living things have homeostasis, or sable internal conditions?
They must have stable internal conditions because their homeostasis needs to be just right for cells to function
Is the following sentence true or false? Flies can arise from rotting meat
True
Is the following sentence true or false? Living things use food as their energy source to carry out their life functions
True
Is the following sentence true or false? Most cells can be seen only with a microscope, a tool that magnifies small objects
True
Is the following sentence true or false? Organisms compete with each other for space to live.
True
Is the following sentence true or false? The cells of organisms use energy for growth and repair.
True
What is an organism?
a form of life composed of mutually interdependent parts
Schwan discovers...
all animals are made of cells
Virchow discovers...
all cells come from cells
Schleider discovers...
all plants are made of cells
Leeuwenhoek sees...
animal cues in drops of lake water
Organisms that make their own food are called _______.
autotrophs
The basic building blocks of life are ...
cells
What are cells?
cells are the basic units of structure and function in living things
Hooke see cells in...
cork
Most abundant chemicals in cells...
water
Living things need...
water, living space, stable internal conditions, food
The idea that living things can come from nonliving sources called...
spontaneous generation
A change in organisms surroundings that causes the organisms to react
stimulus
What did Francesco Redi show in his experiment?
He showed that flies can arise from rotting meat
Lipids and ________ are the buildings materials of cells
proteins
List the 6 characteristics that all living things share
A) Living things have cells B) Living things are composed of chemicals C) Living things use energy D) Living respond to their surroundings E) Living things grow and develop F) Living things reproduce
What is development?
Development is the process of change that occurs during an organisms life to produce a more complex orgainism
Is the following sentence true or false? An organism made of cells is a unicellular organisms?
False
Is the following sentence true or false? Living things can live without water for long periods of time.
False
Is the following sentence true or false? Louis Pasteur used a controlled experiment to show that bacteria arisa from spontaneous generation.
False
Why do living things need water?
Living things need water because they need water to obtain chemicals from their surroundings, break down food, grow, more substances within their bodies, and reproduce
Organisms that cannot make their food are called _____.
heterotrophs
The factor that a scientist changes in a controlled experiment is the...
independent variable