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Characteristics of Living Things
Characteristics of Living Things cont.
Life Comes From Life
Needs of Living Things
100
What is a biologist?
A scientist who studies life.
100
The two types of cellular organization
unicellular / multicellular
100
What is a stimulus?
a change in an organism's surroundings causing it to react
100
Francesco Redi was an ______________ ____________.
Italian doctor
100
Name the 4 needs of living things.
food, water, living space, stable internal conditions
200
Where are slime molds commonly found?
On damp, decaying material on the forest floor.
200
List the 6 chemicals of life:
water, carbohydrates, lipids, proteins, nucleic acid
200
If it has been raining for weeks and weeks, provide a possible response from the plants outside.
Answers will vary!
200
What is spontaneous generation?
The idea that living things can arise from nonliving material.
200
What does the word "autotroph" mean?
Auto means "self." Troph means "feeder."
300
During what time frame did Francesco Redi perform his controlled experiments?
1600's
300
Name a specific job that energy helps the body fulfill (from the book).
growth & repair injured parts eyes & brain cells for reading stomach and intestine digesting food blood cells moving chemicals around your body
300
What is the difference between growth and development?
Growth is the process of an organism becoming physically larger, while development is the process of an organism becoming more complex.
300
Both Redi & Pasteur developed ________________ _________________.
controlled experiments
300
Name 3 out of the 5 reasons water is essential for life.
obtain chemicals from surroundings break down food grow move substances within the body reproduce
400
What were the first liquids that Pasteur pasteurized?
beer and wine
400
Name a specific type of cell from a multicellular organism and it's function (from the book).
nerve cell-carry messages muscle cell- make the body move
400
To grow and develop, organisms use _____________ to create new _____________.
energy/cells
400
What was the manipulated variable for Redi? For Pasteur?
Redi: the cloth jar cover Pasteur: the boiled broth
400
Name two ways a tree competes for respources.
1. The tree competes for sunlight (so height helps) 2. The tree competes for water and minerals (so deep roots help)
500
Name three types of pasteurization from the Brain Pop video:
low temp long time high temp short time pasteurization ultrapasteurization ultra high heat pasteurization
500
Name all 6 characteristics of living things.
cellular organization chemicals of life energy use response to surroundings growth & development reproduction
500
Describe the 3 important steps in a sunflower's life cycle.
1. sunfower seed 2. tiny sunflower seedlings 3. mature sunflower
500
Name the 3 components/materials used in Redi's experiment and the 3 components/materials used in Pasteur's experiment.
Redi: jar, raw meat, cloth cover Pasteur: flask, broth, bunson burner
500
Describe how the barnacle undergoes homeostasis.
The barnacle stores water during high tide so that during low tide, it will not dry out and die.
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