Quaggas once lived in south africa. they are now extinct. people hunted them for their hides and meat. quaggas fed on grass, which people also used to feed their sheep and goats.

based on these facts, what is the least likely reason the quaggas became extinct?
a) temperatures changed.
b) they had no food to eat.
c) they had no space to live.
d) people hunted them too much.

Which organelle releases chemicals that break down large food particles into smaller ones?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

What's the waste product of electrons and pyruvate combining in fermentation?