What type of connective tissue is found only in the umbilical cord?

What macromolecule is produced during translation? a. carbohydrate b. rna c. dna d. protein

Number and variety of living organisms includes genetic, species, and ecological types

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow