If food webs naturally balance themselves over time, why do we have so many endangered species?

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods

Closing romer’s gap. what is the significance of the new fossil evidence found in scotland? answer in claim evidence and reasoning