| A | B |
|---|
| skill a scientist uses when she measures the height of a cucumber plant | observation |
| helps scientists all over the world communicate about experimental results | Metric System |
| most important skill in any experiment | Safety |
| studies growth of plants | botanist |
| most abundant chemical found in living cells | water |
| person turning toward the sound of a siren | response |
| living things arise from nonliving sources | spontaneous generation |
| all living things need to survive | water |
| how sharp an image is | resolution |
| function of a cell membrane | control what enters and leaves the cell |
| produce most of the energy needed by a cell | mitochondria |
| difference between a bacteria cell and animal cell | bacteria cell has no nucleus |
| organic compounds contain | carbon |
| 14. Sugar molecules can combine to form large molecules called | starch |
| DNA and RNA | nucleic acids |
| movement of molecules from an area of higher concentration to an area of lower concentration | diffusion |
| movement of water molecules through a selectively permeable membrane | osmosis |
| movement of materials through a cell membrane WITHOUT using energy | passive transport |
| products of photosynthesis | oxygen and sugars |
| What captures energy from sunlight during photosynthesis | chloroplasts and pigments |
| During DNA replication, adenine (A) always pairs with | thymine |
| What does the notation TT mean to geneticists? | two dominant alleles |
| physical appearance | phenotype |
| male | XY |
| scientific name for a lion | panthera leo |
| largest classification level | kingdom |
| Organisms that share an evolutionary history share | Common ancestor |
| binomial nomenclature | A naming system in which each organism is given a two-part name |
| gradual change in a species over time is called | evolution |
| causes the body to produce unusually thick mucus in the lungs and intestines | cystic fibrosis |
