Which statement is true? a. prokaryotic cells do not have a membrane. b. eukaryotic cells have multiple membranes. c. eukaryotic cells have one membrane. d. prokaryotic cells have multiple membranes.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

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?

What is a group of organisms that are closely related and share similar characteristics