Q: What triggers the fight-or-flight response? Choices: - respiration - amphetamine - endorphine - epinephrine A:
epinephrine

Q: What is the name of the sugar that plants produce to be used as food? Choices: - glucosamine - chlorophyll - insulin - glucose A:
glucose

Q: Q: What is the basic chemical building block of matter; it is the simplest chemical substance? Choices: - atoms - helium - hydrogen - element A:
A: element

Question: Q: What are temporary feet that protists have called? Choices: - pedicules - spontaneous pseudopodia - temporary flagella - transient pseudopodia A:
Answer: transient pseudopodia

*Question*
Q: What organism is characterized by an incomplete digestive system and a single, tentacled opening? Choices: - annelids - prokaryotes - sponges - cnidarians A:
**Answer**
cnidarians

Q: Because atoms are always electrically neutral, for each added proton, one of what is also added? Choices: - ion - quark - neutron - electron A:
electron