Science 7 Lesson 1 Living Things Flashcards
1
Q
Organism
A
A living thing.
2
Q
Cell
A
The basic unit of structure and function in living things.
3
Q
Unicellular
A
Made of a single cell.
4
Q
Multicellular
A
Consisting of many cells.
5
Q
Stimulus
A
Any change or signal in the environment that can make an organism react in some way.
6
Q
Response
A
An action or change in behavior that occurs as a result of a stimulus.
7
Q
Spontaneous generation
A
The mistaken idea that living things arise from nonliving sources.
8
Q
Homeostasis
A
The condition in which an organism’s internal environment is kept stable in spite of changes in the external environment.
9
Q
Characteristics
A
Features that help to identify something.