In a genotype for plant height, such as tt, what
does each letter represent?
a. one genome
b. one gene
c. one allele d. one gamete

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

What is the average speed of a car that traveled 300.0 miles in 5.5 hours