*Question*
If biomass is the total mass of primary consumers, then what is the total mass of primary consumers? Answer choices: - Plants - animals - food - Mountains - Biomass - decreases - all matter - Weight
**Answer**
Biomass

*Question*
If androgens are chemical messengers that control sexual development and reproduction, then what are chemical messengers that control sexual development and reproduction? Answer choices: - acetic acid - brains - chemistry - androgens - photons - people - Most plants - light energy
**Answer**
androgens

*Question*
If lake Tahoe originates from a mountain stream, then what does Lake Tahoe originate from? Answer choices: - hydrogen and oxygen - It's manmade - An ocean - tectonic plates coliding - A hurricane - A mountain stream - Water expanding - body water
**Answer**
A mountain stream

*Question*
If healing requires sleep, then what requires sleep? Answer choices: - amphibians - athletes - healing - death - bacteria - dolphins - rock - humans
**Answer**
healing