Answer:
Single-celled organism are not classified as an animal because animals are multicellular organisms i. e. made of more than one cell while single celled organisms are unicellular organisms i. e. made of one cell. In single celled organisms, one cell perform all activities while in animals special cells are responsible for particular function. There are some single celled organisms are autotrophic while animals are heterotrophic in nature.
The answer is C. solid iron and nickel
1.formation of glucose, which leaves the chloroplast
2.formation of a stable 3-carbon compound
3.formation of an unstable 6-carbon compound
4.use of ATP to form a high-energy 3-carbon compound
1) the manipulative variable is the salt
2) the responding variable is how many purple eggs hatched
3) beaker A was the controlling variable