Yawning is observed in all types of animals, including humans. it cannot be stopped midway but has to be continued to completion. what kind of an innate behavior is yawning? a. habituation b. fixed action pattern c. imprinting

Mendel made crosses between pure-breeding y’all pea plants with purple flowers and pure-breeding short pea plants with white flowers. the alleles for a y’all height and purple flowers were dominant. this cross is written a. ttpp x ttpp b. ttpp x ttpp c. ttpp x ttpp d. ttpp x ttpp