Why are small populations more probe to genetic disease? A- they have a greater frequency of harmful genes
B- they tend to interbreed with other populations
C- they have larger gene pools, so more diseases can occur
D - they are prone to instantaneous speciation

Which technically is nasa developing that will astronauts reach mars

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous