lesson1

Question 1

any living thing that can carry out its life on its own.

Answer 1

organism

Question 2

The smallest unit of living matter.

Answer 2

cell

Question 3

A green chemical in plant cells that allows plants to use the Sun’s energy for making food.

Answer 3

chlorophyll

Question 4

A group of similar cells that work together at the same job.

Answer 4

tissue

Question 5

A group of tissue that work together to do a certain job.

Answer 5

organ

Question 6

A group of organs that work together to do a certain job.

Answer 6

organ system