Q: Answer the following question given this paragraph: You may have seen this sign beforemaybe in a hospital. The sign means there is danger of radiation in the area. Radiation consists of particles and energy that are given off by radioactive isotopes, which have unstable nuclei. But you don't have to go to a hospital to be exposed to radiation. There is radiation in the world all around you. Q: Radioactive isotopes are characterized by an unstable what? A:

OPTIONS:
- shell
- proton
- electrons
- nuclei

A: nuclei

input: OPTIONS:
- transmission
- vibration
- kinetic energy
- acceleration Now, answer this question: Answer the following question given this paragraph: Acceleration is a measure of the change in velocity of a moving object. It shows how quickly velocity changes. Acceleration may reflect a change in speed, a change in direction, or both. Because acceleration includes both a size (speed) and direction, it is a vector. Q: What is the measure of change in velocity of a moving object? A:
A:
output: acceleration

Answer the following question given this paragraph: One way of classifying organisms that shows phylogeny is by using the clade. A clade is a group of organisms that includes an ancestor and all of its descendants. Clades are based on cladistics. This is a method of comparing traits in related species to determine ancestor-descendant relationships. Clades are represented by cladograms, like the one in Figure below . This cladogram represents the mammal and reptile clades. The reptile clade includes birds. It shows that birds evolved from reptiles. Linnaeus classified mammals, reptiles, and birds in separate classes. This masks their evolutionary relationships. Q: What is one way of classifying organisms called? A:

OPTIONS:
- cluster
- tuck
- spasm
- clade

Answer: clade

Problem: OPTIONS:
- fever
- viruses
- pathogens
- bacteria
Q: Answer the following question given this paragraph: In summary, society is facing an antibiotic crisis. Some scientists believe that after years of being protected from bacterial infections by antibiotics, we may be returning to a time in which a simple bacterial infection could again devastate the human population. Researchers are working on developing new antibiotics, but few are in the drug development pipeline, and it takes many years to generate an effective and approved drug. Naimi, T. , LeDell, K. , Como-Sabetti, K. , et al. , "Comparison of community- and health care-associated methicillin-resistant Staphylococcus aureus infection," JAMA 290 (2003): 2976-2984, doi: 10.1001/jama.290.22.2976. Q: Antibiotics can be used to fight what, in general? A:
Answer: bacteria

Problem:OPTIONS:
- biologists
- geologists
- anthropologist
- paleontologists

Answer the following question given this paragraph: Fossils are a window into the past. They provide clear evidence that evolution has occurred. Scientists who find and study fossils are called paleontologists . How do they use fossils to understand the past? Consider the example of the horse, shown in Figure below . The fossil record shows how the horse evolved. Q: Scientists who find and study fossils are called what? A:
****
A: paleontologists

Problem:OPTIONS:
- never
- at night
- during respiration
- at every crossover

Answer the following question given this paragraph: Q: When do end portions of two nonsister chromatids trade places? A:
****
A:
at every crossover