In your own words, explain why photosynthetic cyanobacteria were likely the first organisms to survive and thrive in the harsh conditions on early Earth.

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance