What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

b - the respond is innate and varies over time.

good luck!

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

i think its the first one