What does the process of gene duplication and divergence refer to? (select all that apply) a. creating new genes by mutation in duplicates of old genes. b. the creation of gene families, which are genes that are similar across a range of organisms. c. offspring becoming increasingly different from their ancestors. d. the creation of new species as new genes are created from duplicates of old genes e. none of these answers are correct

Specialized cells which perform a particular function form : organisms organs tissues

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative