2 Points A population has 1000 individuals. Over a period of 1 year, 500 new
individuals are born. Which equation shows how to calculate the birthrate of
this population?
O A. 1000 * 0.5 = 500
OB. 1000 + 500 = 1500
C. 1000 - 500 = 2
O D. 500 - 1000 = 0.5

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Consider this plant cell which organelle is labeled g

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system