Which refers to a method that relies on sound waves and is used by different animal species for navigation, communication, and finding food? echolocation
analog signaling
infrared detection
digital location

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

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?