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Topic 1 Science
Living Things in the Biosphere-Lessons 1 and 2 Study Guide
| Question | Answer |
|---|---|
| What characteristics do all living things share? | they have cells; they grow and develop; they respond to stimulus; they reproduce; they have chemicals (water, carbohydrates, lipids & proteins, DNA); they use/need energy |
| Describe unicellular organisms. | they are made of one cell; they are simple; the cells do not have specific jobs |
| Describe multicellular organisms. | they are made of two or more cells; they are more complex; they have cells with specific functions |
| Describe sexual reproduction. | 2 parents; the offspring is a combination of the two parent cells |
| Describe asexual reproduction. | 1 parent; the offspring is identical to one parent |
| What is the function of water as a chemical of life? | the most common chemical; essential for life |
| What is the function of carbohydrates as a chemical of life? | they provide cells with energy |
| What is the function of proteins and lipids as a chemical of life? | they are used for building cells |
| What is the function of Nucleic Acids (DNA) as a chemical of life? | they provide instructions to carry out the functions of life |
| Name the 4 needs of all living things. | water; food; space; homeostasis |
| Describe water as a NEED for all living things. | cells need it; substances dissolve in water and are transported easily |
| Describe food as a NEED for all living things. (autotrophs; heterotrophs) | autotroph- self feeder (producer) heterotroph- feeds on others (consumer; decomposer) |
| Describe space as a NEED for all living things. | must have food and water in living space; competition for survival exists in this space |
| Describe homeostasis as a NEED for all living things. | to maintain a stable internal environment |
| Give an example of homeostasis. | when it is hot, humans sweat when it is cold, humans shiver when it is sunny, plants lean toward the light |
| What are the 8 levels of classification? | Domain; Kingdom; Phylum; Class; Order; Family; Genus: Species |
| Which level of classification is the most general? | Domain |
| Which level of classification is the most specific? | Species |
| If 2 organisms are in the same "Order", which other levels of classification do they share? | Domain; Kingdom; Phylum; Class |
| Describe organisms in the Domain Archaea. | they are microscopic; they have no nuclei; they often live in harsh environments |
| Describe organisms in the Domain Bacteria. | they are microscopic; they have no nuclei; they are found all around us |
| Describe organisms in the Domain Eukarya. | they have a nuclei; they are usually multicellular |
| Properly rewrite "calvatia gigantea" using the rules of Binomial Nomenclature. | Calvatia gigantea (make sure it is either underlined or in italics) |
| What genus does Calvatia gigantea belong to? | Calvatia |
Created by:
carlsond
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