Organization
What is the smallest unit of life?
Cell
A heart is an example of what?
Organ
The ______________ is the powerhouse of the cell.
mitochondria
Is a theory on who will win a football game the same as a scientific theory?
No
In addition to the cell membrane, plant cells also have a ___________ that helps give the cell structure.
Cell Wall
What comes after tissue in order of organism hierarchy?
Organ
This cell part allows materials to move in and out of a cell.
cell membrane
An acorn contains the seed material of an oak tree is an example of _________ coming from pre-existing _________.
Cells, Cells
A layer of muscle represents what layer of organization?
tissue
The stomach, small intestine, large intestine, and colon make up a ___________
organ system (digestive system)
Atoms make up _____________ that in turn make up cells.
Molecules
These organelles are only found in plant cells and harvest sunlight for photosynthesis
chloroplasts
The vacuoles in a plant cell are different than animal cells because:
Plants need to store more food than animals.
It also provides more structure for the plant.
How are the cell wall and cell membrane similar?
They both act as a boundary between the cell and its surroundings
____________ work similar to organs in a body. They carry out multiple functions in the cell.
Organelles
What comes after organ in the organism hierarchy?
Organ system
A ___________ is a well supported explanation of a pattern or a phenomenon in the natural world.
Scientific Theory
True or False : the cells in an elephant and a mouse would most likely have a similar method to break down food for energy.
True
If a group of scientists found a new discovery about the natural world, what would need to happen before it can become a theory?
Many other scientists would have to verify the findings before it could become a theory.
A bird (warm-blooded) is living in a nest in a tree. throughout the week the temperature gets colder each day. What will happen to the temperature of the birds cells?
They will maintain the SAME temperature throughout the week due to homeostasis.
Name the order from smallest to largest in life organization.
Cell, tissue, organ, organ system, organism
All living things are made of similar units of structures called cells is a main component of _______ _______.
Cell Theory
Cells move material in and out of the cell membrane to maintain ____________.
Homeostasis
What must take place before a new theory can replace an old one?
It must be tested many times!
Cells are the basic unit of life
All cells come from pre-existing cells
All organisms can be either singular or multi-cellular
This is the main description of what?
Cell Theory