James is classifying plants in his yard. He places a common oak tree and a rose bush in the same phylum, but in different orders. Which explanation best
describes why James classified the plants the way he did? *

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

How does the carbon cycle involve an exchange of carbon