African black-bellied seedcracker finches have beaks that are either large or small. only large-beaked birds can crack open hard seeds, and small-beaked birds are more adept at handling small seeds. both have an advantage over intermediate-sized beaks. this is an example of a response to:

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

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