Answer the following question given this paragraph: Fragmentation occurs when a parent organism breaks into fragments, or pieces, and each fragment develops into a new organism. Starfish, like the one in Figure below , reproduce this way. A new starfish can develop from a single ray, or arm. Starfish, however, are also capable of sexual reproduction. Q: What occurs when a parent organism breaks into fragments, or pieces, and each fragment develops into a new organism? A:
OPTIONS:
- erosion
- absorption
- sollution
- fragmentation

Answer: fragmentation

Answer the following question given this paragraph: Maintaining a high metabolic rate takes a lot of energy. The energy must come from food. Therefore, mammals need a nutritious and plentiful diet. The diets of mammals are diverse. Except for leaf litter and wood, almost any kind of organic matter may be eaten by mammals. Q: Maintaining a high metabolic rate takes a lot of what? A:
OPTIONS:
- food
- calories
- fuel
- energy

Answer: energy

Answer the following question given this paragraph: 6O 2 + C 6 H 12 O 6 6CO 2 + 6H 2 O Photosynthesis produces oxygen as a byproduct, and respiration produces carbon dioxide as a byproduct. In nature, there is no such thing as waste. Every single atom of matter is conserved, recycling indefinitely. Substances change form or move from one type of molecule to another, but never disappear (Figure 5.18). CO2 is no more a form of waste produced by respiration than oxygen is a waste product of photosynthesis. Both are byproducts of reactions that move on to other reactions. Photosynthesis absorbs energy to build carbohydrates in chloroplasts, and aerobic cellular respiration releases energy by using oxygen to break down carbohydrates. Both organelles use electron transport chains to generate the energy necessary to drive other reactions. Photosynthesis and cellular respiration function in a biological cycle, allowing organisms to access life-sustaining energy that originates millions of miles away in a star. Q: Photosynthesis produces oxygen as a byproduct, and respiration produces what as a byproduct? A:
OPTIONS:
- carbon monoxide
- nitrogen
- ozone
- carbon dioxide

Answer:
carbon dioxide