Q: You are presented with the quiz "what do men need to live?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most people can survive only a few days without water" and "man's survival depends on water". So, what's the best answer to the question?

OPTIONS:
- Air
- ocean
- water
- bears
- oxygen
- sun
- breathe
- food

A: water

Q: You are presented with the quiz "Most pituitary hormones control other glands that secrete hormones into the what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most pituitary hormones control other endocrine glands" and "endocrine organs are ductless glands that secrete hormones into the bloodstream". So, what's the best answer to the question?

OPTIONS:
- brain
- humans
- epidermal
- bloodstream
- nerves
- layers of fat
- alveoli
- liver

A: bloodstream

Q: You are presented with the quiz "what produces a diploid zygote when fertilized?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fertilization of gametes produces a diploid zygote" and "male gametes are sperm". So, what's the best answer to the question?

OPTIONS:
- bamboo
- eggs
- sperm
- pollen
- brain cells
- lawns
- embryos
- h2o

A: sperm

Q: You are presented with the quiz "What must an animal find to ensure survival?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal needs to attract a mate to reproduce" and "every member of every species needs to meet the challenges of survival and of reproduction". So, what's the best answer to the question?

OPTIONS:
- disaster
- warmth
- food
- space
- predators
- smell
- mate
- DNA

A:
mate