If scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to?
a. mollusks
b. roundworms
c. flatworms
d. annelids

As a small change in a person's dna can cause a genetic disorder

The tubes transporting minerals and water upward are called ?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen