When people use synthetic fertilizers they add nitrite or nitrate into the soil

When people use synthetic fertilizers they add

This preview shows page 21 - 28 out of 55 pages.

converted to nitrate before plants absorb it. When people use synthetic fertilizers they add nitrite or nitrate into the soil. This skips most of the nitrogen cycle and thus the bacteria and microorganisms lose their food source. Plants and algae in 20
Image of page 21
the water need nitrogen to grow. Some fish species depend on these plants for food. Use the following word bank to label the diagram of the nitrogen cycle below.Word Banknitrate/nitritenitrogen fixationammonificationdecomposition21
Image of page 22
Name __________________________________________ Period _______ Date ____________________________ECOLOGY ASSIGNMENT VII: SUCCESSION 1.Define succession. 2.List factors that can cause a change to occur in a community.
Image of page 23
3. The first organisms to arrive during primary succession are called __________________________________. An example would be _______________________________. 4. A community that reaches a stable state of maturity is called _______________________________________. 5. Complete the concept map. 6. Identify each of the following as an example of primary succession or secondary succession. Write your response in the space provided. An old house was torn down. Small weeds and grasses grew in the vacant lot. Over the next few years, bushes and tree seedlings began to grow. An undersea volcano erupted and formed a small island. Mosses and lichens began to grow on the bare volcanic rock. A logging company cut down all the large spruce trees in an area of forest. After the area was cleared, spruce seedlings began to sprout. Rabbits, birds, and deer returned to the area. Types of Ecological Succession Definition Definition Example Example 23
Image of page 24
7.You have learned that over many years, the process of succession can transform an abandoned field into a forest. Succession can transform a pond into a forest. How can an aquatic ecosystem change into a land ecosystem?
Image of page 25
Image of page 26
Image of page 27
Image of page 28

You've reached the end of your free preview.

Want to read all 55 pages?

  • Summer '17
  • Ms. Heckstall
  • Ecology

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes