I need help with this it’s a question on my post test

Which element provides strength to the exoskeleton of clams and oysters

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

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?