The number of different species living in a defined area is known as which of the following? • bioconcentration
• habitat
• preserve
• biodiversity​

Which beat describes the brain stem

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities