input with options: Answer the following question given this paragraph: Single-celled organisms do not need blood. They obtain nutrients directly from and excrete wastes directly into their environment. The human organism cannot do that. Our large, complex bodies need blood to deliver nutrients to and remove wastes from our trillions of cells. The heart pumps blood throughout the body in a network of blood vessels. Together, these three componentsblood, heart, and vesselsmakes up the cardiovascular system. This chapter focuses on the medium of transport: blood. Q: What type of organisms do not need blood? A:
OPTIONS:
- cold-blooded
- vertebrate
- marine
- single-celled
output: single-celled

Q: Answer the following question given this paragraph: A machine is any device that makes work easier by changing a force. When you use a machine, you apply force to the machine. This force is called the input force. The machine, in turn, applies force to an object. This force is called the output force. Recall that work equals force multiplied by distance:. Q: A machine is any device that makes work easier by doing what? A:

OPTIONS:
- moving things
- changing molecules
- removing barriers
- changing a force

A: changing a force

input: OPTIONS:
- affinity
- heterogeny
- duality
- homology Now, answer this question: Answer the following question given this paragraph: Q: Similarity that results from common ancestry is known as what? A:
A:
output: homology

Answer the following question given this paragraph: Atoms form covalent bonds by sharing valence electrons. The valence electrons are located in atomic orbitals. However, when a bond forms, the structure of the atomic orbitals changes. In this lesson, we will see how the atomic orbitals interact to share valence electrons and form different types of covalent bonds. Q: What do atoms form by sharing valence electrons? A:

OPTIONS:
- phenotype bonds
- neutron bonds
- ionic bonds
- covalent bonds

Answer: covalent bonds

Problem: OPTIONS:
- tides
- Magnetic pull
- Gravity
- winds
Q: Answer the following question given this paragraph: Most ocean waves are caused by winds. The size of a wave depends on how fast, how far, and how long the wind blows. Tsunamis are waves caused by earthquakes. Q: What is the cause of most ocean waves? A:
Answer: winds

Answer the following question given this paragraph: In both men and women, the second most common type of cancer is lung cancer. Most cases of lung cancer develop in people who smoke. Q: What is the second most common type of cancer in both men and women? A:

OPTIONS:
- breast
- skin
- heart
- lung

Answer:
lung