The number of species on earth is primarily a function of •Breeding and Ecotourism
•Mutation and Humidity
•Extinction and Speciation rates
•Allopatric and Sympatric speciation
•Endemism and Climate Change​

The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

The term equestrian relates to which animal? bulls cows horses pigs