What causes an individual to be 'lactose intolerant'? Explain using the following terms: enzyme, digestion, lactose, lactase, monosacharide, disaccharide, substrate, product.

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?