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7th Science, Ch 1
Sections 3,4: Life
| Question | Answer |
|---|---|
| The idea that living things come from nonliving things is known as what? | spontaneous generation |
| The theory that living things only come from other living things is know as what? | biogenesis |
| Who suggested that the Earth's early atmosphere had no oxygen but was made up of the gases ammonia, hydrogen, methane, and water vapor? | Alexander I. Oparin |
| Placing similar items together is called what? | Classification |
| The evolutionary history of an organism, or how it has changed over time is known as what? | Phylogeny |
| Who developed a new system of grouping organisms with similar structures? | Carolus Linnaeus |
| Who observed living things and decided that any organism could be classified as a plant or an animal? | Aristotle |
| What is the first and largest category in the classification system? | kingdom |
| What is the smallest category in the classification system? | species |
| What is the two-word naming system that Linnaeus used to name various species? | binomial nomenclature |
| What is a group of similar species called? | genus |
| A detailed list of identifying characteristics that includes scientific names is called what? | dichotomous key |
| What type of key has brackets that end up looking like a tournament bracket? | parallel key |
| What is our scientific name? | Homo sapien |
| What language are scientific names in? | Latin |
| The work of Louis Pasteur disproved what theory? | spontaneous generation |
| Scientists today classify organisms into how many kingdoms? | 6 |
| What did Redi place in jars to observe and prove that living things did not come from unliving things? | meat |
| Who disproved spontaneous generation by boiling broth in s-necked flasks that were open to the air? | Louis Pasteur |
| What did John Needham put in flasks to observe? | broth |
| Who used boiled broth in flasks and found that only the flasks he opened became cloudy with contamination? | Spallanzani |
| What are the two parts of a scientific name? | genus and species |
| Will boiled broth kept in a sealed flask for one month contain oganisms? | no |