What percent of the energy in the food you eat is used by the body? 10%

60%

100%

25%

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

Why do bacteria thrive even in hostile environments

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