SSW Week 19: Life Science - Cells and Organisms

Which of the following is a single cell people can see without a microscope?

• a chicken egg

• a microorganism

• bacteria

• a goldfish

The heart, which pumps blood through the body, is made up of this kind of tissue.

• nerve tissue

• muscle tissue

• bone tissue

• cartilage

Which of the following is NOT a way that microorganisms change their environment?

• cause disease or illness

• leave fossils for scientists to study

• feed on dead organisms

• provide food for other animals

What would be the best title for this chart below?

• Characteristics of Plants

• Characteristics of Animals

• Characteristics of Non-living Things

• Characteristics of All Living Things

Which part of a cell is the largest and contains information for making new cells?

• the cell wall

• the tissue

• the nucleus

• the cell membrane

Which of the following can help us see details in cells?

• opening a refrigerator

• staining a cell with food coloring

• using a microscope

• both B and C

What job do the flagella (tiny "tails") perform in some single-celled microorganisms?

• help it get food

• help it reproduce

• help it grow

• help it move

What is the largest organ in the human body?

• the heart

• the brain

• the skin

• the stomach