Which of the following best describes similarities between archae and eubacteria?
a) both can undergo binary fission and are autotrophs.
b) both are able to withstand extreme temperatures and lack of oxygen.
c) both have single-stranded, helical dna and cell walls.
d) both lack membrane-bound organelles and are single-celled.

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