Who discovered cell ? and when and how explain

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Which was not a reason why canals were built in florida