Odors that repel, spines, poisonous chemicals, and thorns are all considered a) adaptations that enhance survival b) traits that oppose natural selection c) characteristics associated only with fossils d) only physical appearances

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !

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