Which of the following organisms is most likely to survive?
a. the producers in a food web
b. the top carnivore in a food chain
c. a herbivore in a food chain
d. the top carnivore in a food web
*letter a was wrong*

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls

There are only about 250,000 known fossil species. true or false