Answer the following question given this paragraph: Endothermic reactions absorb energy from the surroundings as the reaction occurs. When 1 mol of calcium carbonate decomposes into 1 mol of calcium oxide and 1 mol of carbon dioxide, 177.8 kJ of heat is absorbed. The process is shown visually in Figure above (B). The thermochemical reaction is shown below. Q: What kind of reactions absorb energy from their surroundings as they occur? Choices: - exothermic - hydrostatic - autotrophic - endothermic A:
endothermic
Answer the following question given this paragraph: Mollusks have a circulatory system with one or two hearts that pump blood. The heart is a muscular organ that pumps blood through the circulatory system when its muscles contract. The circulatory system may be open or closed, depending on the species. Q: The heart is a muscular organ that pumps blood through which system? Choices: - endocrine - pulmonary - nervous - circulatory A:
circulatory
Q: Answer the following question given this paragraph: 55.3 Energy transfer between trophic levels is typically only 10% efficient. Q: Energy transfer between what kinds of levels is generally rather inefficient? Choices: - producer - secondary - apex - trophic A:
A: trophic
Question: Answer the following question given this paragraph: Environmental scientists study the effects people have on their environment. This includes the landscape, atmosphere, water, and living things. These scientists ask all sorts of questions about how Earth systems are changing as a result of human actions. They try to predict what changes will come in the future. Q: What type of scientists study the effects people have on their environment? Choices: - biological scientists - ecological scientists - integrated scientists - environmental scientists A:
Answer: environmental scientists
*Question*
Answer the following question given this paragraph: treat genetic disorders. For example, copies of a normal gene might be inserted into a patient with a defective gene. This is called gene therapy . Ideally, it can cure a genetic disorder. Q: Inserting copies of normal genes into a patient with defective genes is known as? Choices: - pattern therapy - cloning - chromosome treatment - gene therapy A:
**Answer**
gene therapy
*Question*
Answer the following question given this paragraph: Vertebrates reproduce sexually. Most have separate male and female sexes. Vertebrates have one of three reproductive strategies: ovipary, ovovivipary, or vivipary. Q: In which way to vertebrates reproduces? Choices: - anally - biologically - asexually - sexually A:
**Answer**
sexually