Answer the following question given this paragraph: Like mammals and birds, and unlike other reptiles, crocodiles have a four-chambered heart. But, unlike mammals, blood with and without oxygen can be mixed. Q: Like mammals and birds, and unlike other reptiles, crocodiles have how many chambers in their heart? A:
OPTIONS:
- one
- six
- two
- four
four

Answer the following question given this paragraph: Some fungi have a different kind of relationship with plants. They are plant parasites. They get food from the plants and cause harm to the plants in return. Fungi are the major causes of disease in agricultural crops. They may eventually kill their plant hosts. Q: What is the major cause of disease in agricultural crops? A:
OPTIONS:
- bacteria
- drought
- pollution
- fungi

Answer: fungi

Question: Answer the following question given this paragraph: Q: What are the outpocketings of the digestive tract that remove nitrogenous wastes and function in osmoregulation? A:
OPTIONS:
- olivary tubules
- integumentary tubules
- intestinal tubules
- malpighian tubules
Answer: malpighian tubules

input with options: Answer the following question given this paragraph: Cardiac muscle is found only in the walls of the heart. It is striated, or striped, because its muscle fibers are arranged in bundles. Contractions of cardiac muscle are involuntary. This means that they are not under conscious control. When cardiac muscle contracts, the heart beats and pumps blood. Q: When cardiac muscle contracts, the heart does what? A:
OPTIONS:
- cardiac arrest
- irregular heartbeat
- heart murmur
- pumps blood
output: pumps blood

Q: Answer the following question given this paragraph: Immunity can be acquired in an active or passive way, and it can be natural or artificial. Watch this video (http://openstaxcollege. org/l/immunity) to see an animated discussion of passive and active immunity. What is an example of natural immunity acquired passively?. Q: What bodily defense can be acquired in an active or passive way, and can be natural or artificial? A:

OPTIONS:
- skin
- membrane
- nerves
- immunity

A: immunity

Answer the following question given this paragraph: Q: What does the armor including spines in some species offer? A:
OPTIONS:
- nutrition
- protection from cold
- energy
- protection from predators
protection from predators