Which organisms benefit an ecosystem by adding oxygen and removing carbon dioxide from the
atmosphere?
a Algae
b Cows
C Birds
d Insects

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.