Answer:
species richness is the number of species in an ecosystem
More than one third of North American bird species can be found in wetlands. Wetlands may contains fresh or salt water or both. Biodiversity and nutrient levels are high; many plants and organisms filter out waste materials. Birds like geese, ducks, herons, warbies, and egrets, to name a few, use wetlands for nesting and feeding.
Answer: C
Which compound can block the growth and reproduction of bacteria?
Antibiotics are compounds that block the growth and reproduction of bacteria.
As we burn fossil fuels, which are carbon containing compounds, for fuel, we increase atmospheric carbon dioxide at a rate faster than carbon-fixing components of the cycle, like plants, can use it, leading to increased carbon dioxide.