Identify the two types of global food webs and describe how they are connected.

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

What would happen if the krill were removed from the food web

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?