1.Which organisms are used for high yield of vitamin B12? A)Unicellular bateria
B)Genetically modified bacteria
C)Multi cellular organisms
D)Viruses

What are two reasons for why a species might disappear from the fossil record?

What is the relation ship between structure and function in an organism

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