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ECBModule1
SG Questions
| Question | Answer |
|---|---|
| Metabolism | The process by which a living organism takes energy from its surroundings and uses it to sustain life, develop and grow. |
| Photosynthesis | The process by which a plant uses the energy of the sunlight and certain chemicals to produce its own food. Oxygen is often a by-product of photosynthesis. |
| Herbivores | Organisms that eat plants exclusively |
| Carnivores | Organisms that eat both plants and other organisms |
| Producers | Organisms that produce their own food |
| Consumers | Organisms that eat living producers and/or other consumers for food |
| Decomposer | Organisms that break down dead remains of other organisms |
| Autotrophs | Organisms that are able to make their own food |
| Heterotrophs | Organisms that depend on other organisms for food |
| Receptors | Special structures or chemicals that allow living organisms to sense the conditions of their surroundings |
| Asexual reproduction | Reproduction accomplished by a single organism |
| Sexual reproduction | Reproduction that requires two organisms, a male and a female |
| Inheritance | The process by which physical and biological characteristics are transmitted form the parent (or parents) to the offsprins |
| Mutation | An abrupt and marked difference between offspring and parent |
| Hypothesis | An educated guess that attempts to explain an observation or answer a question |
| Theory | A hypothesis that has been tested with a significant amount of data |
| Scientific Law | A theory that has been tested by and is consistent with generations of data |
| Microorganism | A living creature that is too small to see with the naked eye |
| Abiogenesis | The theory that, long ago, very simple life forms spontaneously appeared through random chemical reations |
| Prokaryotic cell | A cell that has no distinct, membrane-bound oranelles |
| Eukaryotic cell | A cell with distinct, membrane-bound organelles |
| Species | A unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively isolated from other such units |
| Binomial nomenclature | Naming an organism with its genus and species name |
| Taxonomy | The science of classifying organisms |
| 2. What is the first of the four criteria for life? | 1. All life forms contains deoxyribonucleic acid (DNA) |
| 2a. What is the second of the four criteria for life? | 2. All life forms have a method by which they extract energy from the surroundings and convert it into energy that sustains them. |
| 2b. What is the third of the four criteria for life? | 3. All life forms can sense changes in their surroundings and respond to those changes. |
| 2c. What is the fourth of the four criteria for life? | 4. All life forms reproduce. |
| 3. An organism is classified as an carnivore. Is it a producer, consumer, or decomposer? | Carnivores eat non-plants. This means they depend on other organisms for food, making them heterotrophs, which are also known as consumers. |
| 4. An organism has receptors on tentacles that come out of its head. If those tentacles were cut off in an accident, what life function would be most hampered. | If the tentacles are cut off, then the organism has no receptors, which sense that conditions of the environment. Thus, sensing change in the surroundings and responding to those changes will be impossible for this wounded creature. |
| 5. A parent and two offspring are studied. Although there are many similarities between the parent and offspring, there are also some difference. Do these organisms reproduce sexually or asexually? | These organisms reproduce sexually. In sexual reproduction, the offspring's traits are a blend of the parents, their parents, and so on. This would account for the differences between parents and offspring. |
| 6. What is wrong with the following statement? "Science has proven that energy must always be conserved." | Science cannot prove anything. |
| 7. Briefly explain the scientific method. | In the scientific method, a person starts by making observations. The person then develops a hypothesis to explain those observations or to answer a question. The person (often with the help of others) then designs experiments to test the hypothesis. |
| 8. why does the story of spontaneous generation illustrate the limitations of science? | The story of spontaneous generation shows how almost 2,000 years of executing the scientific method resulted in a law that was clearly wrong. Thus, you can't put too much faith in scientific laws. They are fallible. |
| 11. Name the classification groups in our hierarchical classification scheme in order. | Kingdom, Phylum, Class, Order, Family, Genus, Species |
| 12. An organism is a multicellular consumer made of eukaryotic cells. To what kingdom does it belong? | Animalia. since it is multicelled, it is not Monera or Protista. In addition, it is not Plantae because it is not an autoroph (consumers are heterotrophs) and it is not fungi because it is not a decomposer. |
| 13. An organism is a single-celled consumer made of prokaryotic cells. To what kingdom does it belong? | Monera. Prokaryotic cells belong to this kingdom. |
Created by:
biowolf2013
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