When toxins enter through the gastrointestinal system it is called? (6 letter answer)

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What was the impact of the concordat of worms?