When studying shrimp feeding from hydro-thermal vents at the bottom of the ocean, biologists were surprised that the shrimps reproductive cycles followed seasonal patterns. far beyond the reach of?

I believe the correct answer to this question would be:

far beyond the reach of sunlight

Hydrothermal vents are usually located on the most bottom part of the ocean. A hydrothermal is created when there is a fissure in the planet’s surface underneath the ocean. 

not too sure but maybe in the hot springs.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u