Vocabulary
Any living things is called _____________
An organism
Living things can only come from _____________
other living things
What is the most abundant chemical of life?
WATER
What are the 4 needs of all living things?
Food, water, shelter, maintain stable internal conditions.
involves one parent and produces offspring that are identical to parents
asexual reproduction
The smallest unit of structure and function in a living thing is called ____________________
a cell
This scientist completed an experiment in which clear broth was heated in a curved neck flask. One curved neck flask was broken which allowed bacteria to enter in.
Who is Louis Pasteur?
What are the 6 characteristics of all living things?
1. Cellular Organization
2. Use Energy
3. Respond
4. Chemicals of Life
5. Reproduce
6. Grow and Develop
Why is water necessary for the survival of living things?
It helps the cell grow, perform cell functions, helps get rid of waste, transport materials
Also, all living things are made of at least 50% water and must maintain homeostasis.
an experiment in which only one variable is manipulated at a time
controlled experiment
The maintenance of stable internal conditions is called
homeostasis
This scientist completed a controlled experiment in two jars containing raw meat. One jar was left uncovered while the other was covered.
Who is Francesco Redi
Someone knocked over a glass of water during dinner, causing you to jump. What was the stimulus? What was the response?
Stimulus: knocking over the water
Response: Jump
Explain how a dog meets the four basic needs for survival
Food - dog food
water - drinks water
shelter - lives in house with owner or has dog house
homeostasis Fur- longer in winter to keep it warm or shorter in summer to cool it down
Give an example of an autotroph
Grass, tree, sunflower
The combination of chemical reactions through which an organism builds up or breaks down materials
metabolism
What did Redi conclude or show from his experiment?
Redi showed that flies do not spontaneously arise from decaying meat.
List 5 chemicals of life
Water, Carbohydrates, Proteins, Lipids, Nucleic Acids
How can a small area in the middle of a desert provide an organism what it needs to survive?
It can provide food, water, and a place to live.
What is the difference between unicellular and multicellular organisms
Unicellular - made up of only one cell; The single cell must carry out all of the functions necessary to stay alive
Multicellular - made up of many cells; The cells are specialized to do a certain task, Specialized cells must work together to keep you alive.
The mistaken idea that living things arise from nonliving things
spontaneous generation
Who finally disproved spontaneous generation?
Louis Pasteur
What is the difference between growth and development?
Growth - is the process of becoming larger
Development - is the process of change that occurs during an organism's life, producing a more complex organism.
How do people maintain homeostasis when exposed to cold temperatures?
People shiver, they get goosebumps, their teeth chatter when they are cold
Give an example of how a human maintains homeostasis?
Body temperature remains steady despite the temperature outside.
After working out, a person is thirsty and would drink water to maintain steady water levels.