Grasses, shrubs, and trees are called producers because they make

 because what they produce, it for animals to eat and because they are at the bottom of the ecosystem food chart. and also oxygen

answer; i believe the correct answer is (sporophyte);

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v