Carbon dioxide enters a plant through the:

A). stomata

B). roots

C). chloroplasts

D). soil

Which of the following lists the Earth's layers in order from hottest to coldest in temperature? A. mantle, crust, inner core, outer core B. outer core, mantle, inner core, crust C. inner core, outer core, mantle, crust D.

What is agricculture

How is the size of the pupil regulated

Which of the following organisms causes epidemic meningitis cases at college campuses? Haemophilus influenzae type b Neisseria meningitidis Streptococcus pneumoniae Listeria monocytogenes

Earth's surface does not receive the same amount of solar energy everywhere. Earth receives more total yearly energy near the equator, and less energy near the poles. What is the reason for this? A. Earth's tilting on its axis B.

Which of the following statements explains why viruses are considered non-living? Question 2 options: A) viruses are too small. B) Some viruses have RNA for genetic material instead of DNA.

Which of these is considered to be the "king" of the social sciences Geography Economics Sociology Political science

How much time have organisms had to change?

Which winds are usually warmer and more humid? Winds blowing from the north Winds blowing from the south Winds moving from the land Winds moving toward the ocean

Phylogeny refers to a. the evolutionary history of a group of related organisms. b. a group of organisms that includes an ancestor and all of its descendants. c. Darwin's method to classify organisms. d. all of the above