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biomes 2019
braswell, pearson, 7th grade ga, biomes
| Question | Answer |
|---|---|
| desert | dry biome, receives less than 25cm of rain a year, large shift in temperature (day to night) animals and plants adapted to hold on to water |
| rain forest | forests with large amounts of rainfall year round, can be tropical (very warm) or temperate (with moderate temperatures) |
| grassland | an area populated mostly by grasses and nonwoody plants |
| savanna | a special type of grassland that is located close to the equator |
| deciduous tree | trees that loose their leaves in the fall, |
| boreal forest/ coniferous forest | colder forest made mostly of pine trees "Boreal" means north |
| coniferous tree | pine tree |
| tundra | biome that is extremely cold and dry |
| permafrost | an inch thick permanently frozen layer of dirt |
| canopy | second tallest layer in the rain forest, makes up a green roof |
| emergent layer | tallest layer in the rain forest |
| estuary | a biome that is a mixture of fresh and salt water |
| marine | biome mad up of oceans and salt water |
| freshwater | biome made up of lakes, rivers and streams |
| temperate deciduous forest | moderate temperatures, lots of trees that loose leaves, it is where we live |
| birth rate | number of births per 1000 organisms over a given amount of time. |
| death rate | number of deaths per 100 organisms over a given amount of time. |
| immigration | moving into a new area |
| emigration | leaving or exiting a group or area |
| limiting factor | limits what can live there |
| population | a group of one type of organism in an area |
| biotic | living or dead |
| abiotic | nonliving |
| organism | any living thing |
| habitat | an environment that provides the things an organism needs to live and grow |
| species | one type of living thing that is similar and can reproduce to make fertile offspring |
| population | all of one type of living thing in an area |
| community | all the different populations in an area |
| ecosystem | all the different populations plus the abiotic factors in an area |
| population density | number of individuals divided by the area |
| natural selection | individuals that are more suited to an area live longer & have the chance to mate more |
| adaptation | behaviors and characteristics that help an animal live in its ecosystem better |
| niche | the very specific job of an organism in its habitat |
| competition | fighting for limited resources |
| predator | hunter |
| prey | hunted |
| symbiosis | two types of different living things living closely together where at least 1 benefits |
| mutualism | a type of symbiosis where both organisms get benefits |
| commensalism | a type of symbiosis where one organism benefits (+) and the other doesn't get bothered (0) |
| parasitism | a type of symbiosis where one organism benefits and one gets hurt |
| parasite | the one in parasitism that gets benefits (like a flea) |
| host | the one in parasitism that gets used (like the dog) |
Created by:
10207970664303328
Popular Ecology sets