Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
What is the first part of cell theory? |
living things are one or more cells |
|
|
What is the second part of cell theory? |
cells are the basic unit of life |
|
|
What is the third part of cell theory? |
all cells come from another cell and can sometimes be exactly the same as the first cell |
|
|
what are the six characteristics of living things? |
made of 1 or more cells respond to stimuli, both internal and external reproduce grow and develop homostasis use energy gained by eating food, making food on its own, or absorbing food |
|
|
What are the levels of organization,starting with the smallest unit of life? |
cell tissue organ organ system organism |
|
|
What is a dichotomous key? |
a series of descriptions arranged in pairs that leads the user to the identification of an unknown organism |
|
|
What is binomial nomenclature? |
a naming system that gives each organism a two-word scientific name |
|
|
What does unicellular mean? |
one cell |
|
|
What does multicellular mean? |
many cells |
