You're walking all alone down a dark street when suddenly you hear a scream and then footsteps coming closer and closer. your heart begins to pound, you're scared stiff, and you feel like running. which part of the nervous system causes your body's reaction?

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

Does masterbation affect height growth or loss of growth hormone?

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?