Anatural disaster caused an ecosystem to experience a significant drop in species richness. what can you conclude about the ecosystem? a. evenness changed from high to low. b. evenness changed from low to high. c. there’s decreased biodiversity in the ecosystem. d. there’s increased biodiversity in the ecosystem.

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

Equilateral triangle pbj is inscribed in a circle as shown. determine the measure of arc pjb.

Based on the information in the graph, what can you conclude about humans in the world in general?