Which of the following is a way that humans impact rivers and streams?
a. pollution
b. dams
c. flooding
d. all of the above

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

What are characteristics of minerals? select 3 choices

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous