Which is a correct statement regarding microscope use.

a once you center under low-power i will not reach center again

b you should always begin with the lowest power objective lens

c the highest power objective lens is generally the shortest one.

d you should always start with the highest power objective lens

Match the description of each organism to the appropriate category

Explain how scientists use geologic time to determine the age of landforms.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey