The thin cell covering that holds the parts of the cell together in both plant and animal cells.
What is the cell membrane?
100
The function of the red blood.
What is to carry oxygen throughout the body?
100
The tissue that relays messages to the brain and the rest of the body.
What is the nerves?
100
What you look for to determine if something is a living organism.
What are cells?
100
A multicellular organism that can make its own food is most likely this.
What is a plant?
200
A pine tree is strong and tall. What part of the cell gives the plants this strength?
What is the cell wall?
200
The other system that works with the skeletal system to provide physical support for the body.
What is the muscular system?
200
Jamie touched a hot stove with her hand. Her reaction was to move her hand away from the stove. Name the cells that played the largest role in her reaction.
What is nerve cells?
200
Classify cells from LARGEST to SMALLEST component.
What is organism, organ system, organ, tissues, cells, and organelles?
200
Paramecium, euglena, and amoebas are most likely this.
What is unicellular organisms?
300
The organelle that determines the cell's activities.
What is the nucleus?
300
Oxygen enters the body through this organ system.
What is the respiratory system?
300
After the digestive system breaks down food into nutrients, which system transports the nutrients to the rest of the body?
What is the circulatory system?
300
Name the main organ of the circulatory system.
What is the heart?
300
A mammoth, a T-rex, and a walrus are most likely this.
What is multicellular organisms?
400
Which organelle is only found in plant cells and used to make food for the plant?
What is the chloroplast?
400
The parts of the circulatory system.
What are heart, blood, veins, and arteries?
400
What feature of the human body provides quickness and ease of movement?
What is the skeletal system?
400
Multicellular organisms usually have many cells that have their own what?
What is function?
400
What you learn about an object using your five senses.
What is an observation?
500
Henry is looking at a cell under a microscope. He is trying to decide if the cell is a plant cell. What two organelles would prove that it is a plant cell?
What are the cell wall and chloroplasts?
500
Two functions of the digestive system.
What are breakdown food into nutrients and get the nutrients into the blood?
500
The largest bone in the human body.
What is the femur?
500
The organism that is made of only one cell.
What is a unicellular organism?
500
What you make by drawing conclusions from your observations.