Living Organisms (BI.14) Practice

In the human body, one of the important organs is the heart. What is the function of the heart?

• to digest food in the body

• to remove waste from the body

• to pump blood through the body

• to send messages to other parts of the body

Which of the following best describes the group of animals pictured here?

• invertebrates, amphibians

• vertebrates, amphibians

• invertebrates, reptiles

• vertebrates, reptiles

Many different organisms have similar organs and structures. Which of the following is most similar to the skin of a human?

• gills of a tadpole

• teeth of a grizzly bear

• scales of a grouper fish

• feathers of an eagle

Tags

NGSS.MS-LS4-2

The pancreas is an organ in the human body. Which of the following is NOT a function of the pancreas?

• making insulin

• producing chemicals

• helping with digestion

• sending messages to the brain

Different structures in different organisms may serve the same functions. What part of a plant serves the same function as the skeleton of a cat?

• leaves

• roots

• seeds

• stems

Tags

NGSS.MS-LS4-2

What part of a plant is most like a human's reproductive system?

• flowers

• leaves

• roots

• stems

Tags

NGSS.MS-LS1-4

What is the function of the skeleton in the human body?

• to move parts of the body

• to help the body reproduce

• to give support to the body

• to remove waste from the body

When Dakota sees his newborn cousin for the first time, he is surprised to see that his cousin's skin and eyes have a yellowish color. Dakota's aunt tells him that this happens when the organ that filters a person's blood does not work properly.

Which organ is most likely causing Dakota's cousin to look yellowish?

• heart

• liver

• lungs

• pancreas

What is the difference between the large intestine and the small intestine?

• The small intestine takes in oxygen, and the large intestine takes in blood.

• The small intestine absorbs nutrients, and the large intestine absorbs water

• The small intestine filters the blood, and the large intestine breaks down food

• The small intestine processes liquid waste, and the large intestine filters the blood

Some animals, including humans, have internal skeletons. Other animals have a hard skeleton on the outside of their body. This is known as an exoskeleton.

Which of the following is an advantage of an exoskeleton compared to an internal skeleton?

• An exoskeleton does not grow larger

• An exoskeleton allows organisms to move around

• An exoskeleton can protect the body from cuts and bruises

• An exoskeleton is unbreakable and can prevent all injury to the body