An ecosystem is effected by many factors. Oxygen, soil, water, amount of sunlight, and temperature are some examples. What type of factor are these examples?

Salt water. Is mainly used in mining, is only found in oceans, covers less than 50 % of the earth or can be desalinated and used for irrigation

An example of a posterior trunk muscle is the rectus abdominus. internal oblique. pectoralis major. trapezius.

If there is a toxin present in the primary producer population, how might this affect organisms at higher topic levels?

Almost 225 soccer fields can fit in one square mile. Approximately how many could you have to yourself if you lived in a region containing 25 people per square mile? Or 100 people per square mile?

What are 4 compounds that are cycled through an ecosystem?

Explain how water is wasted and ways people can conserve it. Be sure to include relevant facts and statistics.

Where on Earth's surface might you be if you are experiencing the westerlies? Explain how air pressure, temperature, and the Coriolis effect influence the movement and direction of these winds.

Why might it be important to use different models at different stages of an investigation.

Which of the following wave properties would be the best way to measure the height of a wave?

Would evolution by natural selection be able to happen if there was NO differential survival and reproduction within a species? Why or why not?