Which type of stimulus is an allergen, such as pollen?

a. response to a stimulus

b. external stimulus

c. internal stimulus

d. inborn stimulus

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

All eukaryotic cells contain small bodies called