CH, Unit 1-Lesson 4 & 5

A living thing that can carry out life processes by itself is called what?

• Organ
• Organism
• Cell
• Animal

A group of similar cells that perform a common function is called what?

• Tissue
• Organ
• Organ System
• Organism

Which of the following is NOT an example of an organ?

• Plant leaf
• Stomach
• Blood
• Plant roots

Which of the following describes a function of the circulatory system?

• Breaking down food
• Removing wastes
• Bringing in oxygen
• delivering nutrients to cells

Which of the following describes a function of the digestive system?

• Breaking down food
• Removing wastes
• Bringing in oxygen
• delivering nutrients to cells

What is the smallest?

• Cell
• Molecule
• Tissue
• Atom

Which of the following best describes homeostasis?

• maintaining a stable outside environment when the inside is changing
• maintaining a stable internal state when the outside environment changes
• changing the inside to match the outside conditions
• maintaining a state of constant change in the environment

Which of the following best describes the relationship between structure and function?

• Structure of a cell, tissue, or organ determines its function
• The function of a cell, tissue, organ determines its structure
• Structure is the activity of a part of the body
• The structure of an organ does not help its function

Which of the following is NOT an example of an organism maintaining homeostasis?

• Increased heartrate when exercising
• A dog panting when its hot out
• Eating some food when feeling hungry
• Passing out during a long walk in the desert

Which of the following defines cellular respiration?

• Using carbon dioxide, water and light to produce sugar.
• Using sugar and oxygen to produce energy
• Using carbon dioxide and sugar to produce light
• Using sugar, water and carbon to produce energy