Unit 2 study guide for final Flashcards
1
Q
what are the characteristics of living organisms that scientists agree on are:
A
- Living organisms need energy
- living organisms respond and adapt to their environment
- Living organisms reproduce
- living organisms grow
- living organisms produce wastes
2
Q
all living things are composed of one or more what?
A
cells
3
Q
cells are the basic unit of what?
A
the basic unit of structure and function in all organisms
4
Q
what is the major organ of the human circulatory system?
A
the heart
5
Q
what is a cell defined to a scientist?
A
the cell is the feature that separates all forms of life from non-living things
6
Q
what are animalcules?
A
are organisms made of only one cell
7
Q
A