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Unit 4 (6th grade)
Earth's organisms
| Question | Answer |
|---|---|
| species | group of organisms that are very closely related |
| genus | group similiar species. |
| domain | The largest differences among organisms. Arranged in Bacteria, Archaea, and Eukatya |
| Bacteria | contains all organisms within Kingdom Bacteria. Made up of Prokaryotes |
| Archaea | all organisms in the Kingdom Archaea. Prokaryotes that reproduce by cell division |
| Eukarya | Domain made up of all Eukaryotes which have a nucleus |
| Protista | Called protists, they are single-celled or multicellular organism such as algae and slime molds |
| Fungi | heterotrophs and their cell walls contain chitin |
| Plantae | consists of multicellular organisms that have cell walls, mostly made of cellulose |
| Animalia | Multicellular organisms that lack cell walls |
| binary fission | reproduction in which a one-celled organism splits into two single-celled organisms |
| virus | A microscopic particle that cannot replicate on its own. |
| host | a living thing that a virus or parasite uses for resources or shelter. |
| gamete | a reproductive cell that unites with another reproductive cell to form a zygote |
| spore | reproductive cells that are resistant to stressfl environmental conditions |
| algae | Multicellular plant-like protists |
| hyphae | chains of threadlike fungal filaments |
| mycorrhiza | Fungus found on the roots of plants that help the plant to absorb minerals |
| lichen | a partnership between a fungus and green algae or cyanobacterium |
| producers | make their own food by using energy from their surroundings. (plants) |
| photosynthesis | converting solar energy to chemical energy |
| chlorphyll | green pigment that captures energy from sunlight |
| vascular system | a system of tube-like tissues that transports water, nutrients and other materials from one part of the organism to another part |
| seed | a plant embryo enclosed in a protective coating |
| pollen | a tiny structure in a plant where sperm forms |
| gymnosperm | plants that produce seeds that are not enclosed in a fruit. (Pinecones.) |
| angiosperm | vascular plants that produce flowers, and fruits which surround and protect seeds. |
| consumer | an animal that eats other organisms, or parts of organisms, to get the energy it needs for life processes |
| invertebrate | an animal without a backbone |
| exoskeleton | invertebrates that have a hard external covering which supports the body. (turtles) |
| vertebrate | animals that have backbones |
| endoskeletons | an internal skeleton that supports an animals body |
Created by:
palmer_wwms
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