This is an area of the ocean where bottom layers of water, which are colder and richer in nutrients, are forced up to the surface. This is an area of high productivity.

a. upwelling

b. aphotic zone

c. pelagic zone

What is the carrying capacity of an ecosystem? A. The total number of organisms at any time B. The number of predators in the ecosystem C. The number of keystone species in the ecosystem D. The largest population that can be supported

Explain what happens during a temperature inversion.

Which statemennt is an example of the interdependence of organisms?

What would be a likely outcome to the nitrogen cycle, if the population of nitrifying bacterial severely decreased?

How can the carbon in sediments reach the atmosphere? a. Decomposition, fossil fuel formation, fossil fuel emissions b. Photosynthesis, organic carbon, cellular respiration c. Cellular respiration, diffusion, transpiration d.

Describe logistic population growth from a small population to a large one. be sure you talk about the population growth rate (the numbers of individuals added to the population over time) and carrying capacity.

What are the key elements of cell theory? chose all that aply A. All living things are composed of one or more eukaryotic cells. B. Cells arise only from other cells. C. The cell is the basic unit of life. D.

How is polar molecule different from a non polar molecule

Fetures of unwarped mountains

What scientist discovered cells by observing cork with a homemade microscope