input: OPTIONS:
- absorption
- filtration
- excretion
- digestion Now, answer this question: Answer the following question given this paragraph: The digestive system has three main functions: digestion of food, absorption of nutrients, and elimination of solid food waste. Digestion is the process of breaking down food into components the body can absorb. It consists of two types of processes: mechanical digestion and chemical digestion. Q: What is the process of breaking down food into components the body can absorb called? A:
A:
output: digestion

Answer the following question given this paragraph: Q: What cannot exist between energy levels? A:

OPTIONS:
- crystals
- protons
- cells
- electrons

Answer: electrons

Problem: OPTIONS:
- species
- family
- food chain
- community
Q: Answer the following question given this paragraph: A community is made up of the relationships between groups of different species. For example, the desert communities consist of rabbits, coyotes, snakes, birds, mice and such plants as sahuaro cactus, ocotillo, and creosote bush. Community structure can be disturbed by such dynamics as fire, human activity, and over-population. Q: The relationships between groups of different species makes up a ___________. A:
Answer: community

Problem:OPTIONS:
- asymmetric triangle
- oval
- trapezoid
- equilateral triangle

Answer the following question given this paragraph: In order to maximize their distance from one another, the four groups of bonding electrons do not lie in the same plane. Instead, each of the hydrogen atoms lies at the corners of a geometrical shape called a tetrahedron. The carbon atom is at the center of the tetrahedron. Each face of a tetrahedron is an equilateral triangle. Q: What shape is each face of a tetrahedron? A:
****
A: equilateral triangle

Answer the following question given this paragraph: The second stage of photosynthesis takes place in the stroma surrounding the thylakoid membranes of the chloroplast. The reactions of this stage can occur without light, so they are sometimes called light-independent or dark reactions. This stage of photosynthesis is also known as the Calvin cycle because its reactions were discovered by a scientist named Melvin Calvin. He won a Nobel Prize in 1961 for this important discovery. Q: Which cycle is named after the scientist melvin calvin? A:
OPTIONS:
- krebs cycle
- melvin cycle
- melcal cycle
- calvin cycle
calvin cycle

Answer the following question given this paragraph: illness that occurs when harmful bacteria enter the digestive system in food; commonly called food poisoning. Q: What do you call the illness that occurs when harmful bacteria enter the digestive system in food? A:
OPTIONS:
- bacteria poisoning
- nutrition poisoning
- meat poisoning
- food poisoning

Answer:
food poisoning