Huntington's Disease Huntington's Disease is a disease caused by a dominant trait
HH = Huntington's Disease
Hh = Huntington's Disease
hh = Does NOT have Huntington's Disease

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

How does human environment effect the biosphere