Alabrador retriever needs to determine whether three male pups born to sadie, his black labrador retriever, are the offspring of sam, a yellow labrador retriever from another breeder. which process could the breeder use to determine if sam is the father of the pups? a. pcr analysisb. str analysisc. mtdna analysisd. y-chromosome analysis

Give examples of animals that live in sea and are considered mammals. ♡

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

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