Which of the following organisms is located only in the 3rd trophic level of the soil food web?

When water freezes, it . contracts expands

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

Nucleic acids offer variability because they contain alternate forms of genes called .