The basic unit of structure and function in an organism.
What is a cell?
100
Organisms that get their energy from feeding on others.
What is a heterotroph?
100
While looking at a piece of cork, he was the first person to see cells.
Who is Robert Hooke?
100
The belief that living things can form from nonliving things?
What is spontaneous generation (or abiogenesis)?
100
Life on Earth is believed to have formed between ___________ and __________ years ago.
What is 4.6 billion and 3.5 billion years ago?
200
An inherited characteristic that makes an organism better able to survive in its surroundings.
What is an adaptation?
200
_____________ and ______________did an experiment to test Oparin's hypothesis that produced ____________________.
Who are Harold Urey and Stanley Miller?
What are amino acids?
200
He tried to convince people that there were microorganisms in the air by doing an experiment with broth.
Who is Lazzaro Spallanzani?
200
To stay alive living things need:
What are:
water
food
living space
stable internal conditions
200
What are the 3 parts of the cell theory?
What are:
All living things are made up of cells.,
Cells are the basic unit of structure and function in living things.,
All cells come from cells that already exist.
300
An organism's reaction or change in behavior to stimuli
What is a response?
300
He concluded that all plants are made up of cells.
Who is Matthias Schleiden?
300
He concluded that all cells come from cells that already exist
Who is Rudolph Virchow?
300
The ability to clearly distinguish the individual parts of an object.
What is resolution?
300
Organisms need water for these 5 reasons:
What are:
Obtain chemicals from their surroundings,
Break down food,
Grow,
Move substances within their bodies,
Reproduce
400
The length of time an organisms is expected to live.
What is a life span.
400
He observed bacteria in pond water.
Who is Anton Van Leeuwenhoek?
400
A change in an organism's surroundings that causes the organism to react.
What is a stimulus?
400
These 4 chemicals make up cells:
What are
carbohydrates,
proteins,
lipids,
nucleic acids,
400
What are the six characteristics of living things?
What are:
Have cells,
Contain similar chemicals,
Use energy,
Respond to the surroundings,
Grow and develop,
Reproduce,
500
Maintaining stable internal conditions
What is homeostasis?
500
He made a hypothesis to explain how he believed the first living things may have developed.
Who is Alexander Oparin?
500
He disproved spontaneous generation.
Who is Louis Pasteur?
500
What are the 4 characteristics of the first organisms?
What are:
Unicellular,
Didn't need oxygen,
Lived in the oceans,
Were heterotrophs,
500
Early Earth's atmosphere had these 8 characteristics:
What are:
Ammonia,
Hydrogen,
Methane,
Water Vapor,
No oxygen,
lightning,
Strong UV rays,
Heavy Storms