Choose the words to complete the paragraph below. are ecosystems that are similar, such as the desert. , the number of species w
ithin an ecosystem, is a sign of its health. Interesting ecosystem facts include: support aquatic life and are located between land and water systems. The tundra is covered by , which is a frozen layer of soil below the surface of the earth. A place where salt water and fresh water meet is called a(n)
<span>Conjugation in which two cells temporarily combine in order to transfer genetic materials. After combination they then divide again, allowing of the information to pass and replace the previous members of the population.</span>
Carcinoids refer to a specific type of slow growing tumor, tumors are the cancerous growths within a body, and sarcomas are tumors that occur in bones and soft tissues.