Q: What work together in pairs to bend or straighten a joint? Choices: - nerve fibers - collagen bands - cartilage tissues - muscles A:
muscles

Q: Name the physicist who discovered radioactivity? Choices: - louis pasteur - neal degrasse tyson - albert einstein - antoine henri becquerel A:
antoine henri becquerel

Q: Q: Some fruit, like peaches, only have one big seed. what is this seed called? Choices: - the middle - the seed - the core - the pit A:
A: the pit

Question: Q: Testing what usually requires making observations or performing experiments? Choices: - variables - conclusion - homeostasis - hypothesis A:
Answer: hypothesis

*Question*
Q: What type of invertebrates are jellyfish and corals known as? Choices: - sponges - nautilus - cephalopods - cnidarians A:
**Answer**
cnidarians

(Question)
Q: What type of archaea live in salty environments? Choices: - arthropods - sporozoans - amphibians - halophiles A:
(Answer)
halophiles