The human brain appears extremely wrinkled when closely examined. these wrinkles are purely cosmetic and have no actual purpose. are byproducts of old age; normal adults' brains are smooth. act as a shock-absorption device, preventing neural damage. disappear as a person progresses into late adulthood. allow a greater surface area of cortex to be included in the skull.

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?