Which is an example of a parasite and host relationship?
a-chlorophyll and a green plant
b-a wolf and a rabbit
c-a tapeworm and a human
d-sunlight and green plants

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.

Stories that are passed down through generations by word of mouth are called

How does sociology account for the cause of drug and alcohol addiction?