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 diagram shows a chicken embryo and a human embryo

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

What is the goal of cellular respiration