Choose all of the following situations below that are examples of pre-zygotic barriers to reproduction. (choose all that apply) a. ecological isolation b. incompatibility of sperm and eggs (sperm cannot fertilize the egg) c. two species of ants are capable of breeding under laboratory conditions, but do not because one species is only found in association with white pines and the other ant species is only associated with willows, thus the two ant species never occur together in nature to breed d. lions and tigers produce hybrid offspring, but all hybrids are sterile e. behavioral isolation f. the embryo dies due to a lethal combination of genes

answer; /// i do believe the correct answer is (

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

hope this any more questions i am here plz mark brainliest

it would be rhyolitic hope this