The aerobic prokaryote was enclosed by the bacterium's cell surface membrane in the process of endocytosis, which is made easy by the absence of a cell wall in the bacterium. The aerobic prokaryote wasn't digested but continued to function inside the other cell. The host cell received energy that the aerobic prokaryote released. ... Darwin observed that wild animals and plants showed variations just as domesticated animals and plants did. ... Plant stems grow tall in search of sunlight, plant roots grow deep into the soil in search of water and nutrients. ...

• Word Count: 2685
• Approx Pages: 11
• Grade Level: High School

To qualify for an exemption, a religious organization must engage primarily in religious worship or promote individual spiritual development; operate in a way that does not result in accrual of profit or realization of private gains; and uses the organization's assets for religious functions. ...

• Word Count: 2843
• Approx Pages: 11
• Has Bibliography
• Grade Level: Undergraduate