When you use toothpaste, part of a protist is to smooth and clean your teeth. which part of the protist and type of protist are most likely responsible for this benefit to humans? a. cell walls; plant-like b. flagellum; plant-like c. spores; fungus-like d. cilia; animal-like

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

Match the description of each organism to the appropriate category

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?