lesson1 Flashcards
1
Q
any living thing that can carry out its life on its own.
A
organism
2
Q
The smallest unit of living matter.
A
cell
3
Q
A green chemical in plant cells that allows plants to use the Sun’s energy for making food.
A
chlorophyll
4
Q
A group of similar cells that work together at the same job.
A
tissue
5
Q
A group of tissue that work together to do a certain job.
A
organ
6
Q
A group of organs that work together to do a certain job.
A
organ system
