Eli Whitney's invention of the cotton gin is an example of scientific advancements negatively affecting society.

True / False?

Which is your closest relative? a slime mold the malaria parasite a mushroom an apple tree?

Information collected directly with the senses is a (n). A. inquiry B. inference C. hypothesis D. observation

Eden found that his urine appears yellowish on a hot day. Explain how the kidneys regulate the water balance in her body on hot day.

Defecation depends on a. distention of the rectal wall b. sensory impulses to the sacral spinal cord c. motor impulses back to the colon d. all of the above must happen for defecation to occur

The amount of morphological variation identified in extinct species should be equivalent to the amount of variation present in living species no more than seen in sexually dimorphic species greater than found in extant species of the same type less

How does gravity cause plates to move? Explain

Which water-soluble vitamin plays an important role in the formation of collagen? A. vitamin C B. thiamin C. folate D. biotin

What is the theory on how cells came to have mitochondria.

Which of the following lists fits the order of these three descriptions: Age of Mammals, Age of Dinosaurs, and longest geologic time period. Choose one: A. Mesozoic, Cenozoic, Paleozoic B. Cenozoic, Mesozoic, Precambrian C.

The hypothalamus gland is important in many feedback loops. Which of the following systems does the hypothalamus work in? Check all that apply. A. endocrine B. nervous C. integumentary D. circulatory