Permian extinction : how did the earth get to these conditions ? form and effect

What adaptations can prey use to avoid predation

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

The idea of spontaneous generation was disproved by in a experiment involving jars of meat