A large amount of algae in a lake are results of A) Global warming B) rain forest deduction C) phosphate and nitrogen pollution D) a decrease in the number of decomposers

Explain how paleontologist might use relative techniques to determine the age of a fossil

Which of these would BEST describe why cells had to evolve to contain a nucleus before more complex, multicellular organisms could develop?

Natural systems (respiring animals, decomposition, fires, the ocean) contribute approximately 700 giga-tons of Carbon (GtC) to the atmosphere each year. About how much Carbon do human activities contribute to the atmosphere each year?

Which is more accurate for glucose test finger or heel of hand?

Who is the founder of botany

A cell is placed into a hypertonic solution. How does the concentration of water differ in the solution and the cell cytoplasm?

What are the 'paired organs' that are the most important part in our respiratory system?

Why are the two phases of meiosis important for gamete formation

Why is this unicellular organism called an "ameba"?

Binary fission is reproduction in which two single celled organisms combine to form one single celled organism. a. True b. False