Lesson 1 Flashcards
What is life
What does homeostasis mean
Keeping the conditions steady around a set point
Eg breathing faster when you’re working out to maintain oxygen levels
What are the characteristics of living things
Require energy
Display heredity
Respond to stimuli
Evolve and adapt
Maintain homeostasis
Reproduce
In order for something to be considered living it what
Must have all 6 characteristics of living
What is the organization of the human body
cells attach to each other to form tissues, which gather together to form organs, which are grouped into organ systems to make up the body
What are cells
the smallest living part of the body
How do tissues form
when cells that have similar structures and functions attach
What are organs made from
Groups of tissue
What is an organ system
A group of organs that work well together to perform a function for the body
What is an organism
any individual living thing
What is the make up of cells
Cells are made up of Molecules
Molecules are made up of 2 or more Atoms
Atoms are made up of protons, neutrons, and electrons
Atoms are the basic _________, and come in different types called _________
- units of matter
- elements
What does cell theory tell us
- all living things are made of cells
- all cells come from pre-existing cells
- cells are the smallest units of life
what is a theory
an idea that is well supported by multiple lines of evidence
