What is the main cause of a human-created mass extinction?
a decrease in the amount of ozone in the atmosphere
an increase in greenhouse gases
a decrease in the number of nonnative species introduced
an increase in the human population

How does deforestation affect the water cycle? a. it increases the amount of runoff b.it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

According to this food web which of the following would be considered primary consumers

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality