How does breaking links in an ecosystem affect the amazon rainforest, it's plants, animals and people?

This is actually called Biodiversity

is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems.

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12

the mediterranean sea