A population of fish in a 5 sq mile stretch of river is 500 fish. What is the population density of fish per square mile in that seciton of river?

100 fish per square mile

105 fish per square mile

110 fish per square mile

95 fish per square mile

Amutagen is 1: a living thing that has undergone a mutation. 2: an agent that causes a mutation in dna. 3: a mutation that has affected one gene. 4: a chemical that can poison living cells.

How does secondary succession differ from primary succession?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers