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Stack #4874
| Question | Answer |
|---|---|
| which statement best decribes succession? | it occurs through predictable stages over time |
| secondary succession is typically completed in less time than primary succession because_____is already present | soil |
| pioneer species are adapted for growing well in ___ habitats | newly exposed |
| during primary succession,___directly follow lichens | mosses |
| secondary succession occurs when | a new community grows on existing rock |
| ____often replace lichens during primary succession | mosses |
| As you are rock-climbing a mountain, you notice brightly colored lichen all over the rocks. The lichens are an example of..? | a pioneer species |
| a desert ecosystem would include | plants & animals, air, sand |
| a system in equilibrium, usch as a stable pine forest, is one in which the forces are-- | balanced |
| components of a desert ecosystem include-- | a hot,dry climate, shallow-rooted plants, animals active mostly at night |
| Organisms that live in intertidal areas must be able to live both underwater and out of water..true or false? | true |
| Prairies, steppes, and pampas are types of ___biomes | grassland |
| What is a type of wetland characterized by trees draped with spanish moss and vines? | swamp |
| an organism's environment is | anything that affects the organism |
| a population is made of a | group of individuals of the same species |
| the area of Earth where life is present is called | the biosphere |
| What is most likely a stable community | a hardwood forest |
| ecological succession helps and ecosystem do what? | maintain its equilibrium |
| fish, an alligator, and plants are all= | biotic parts of the environment |
| the first level of environment organization is a(n) | organism |
| what is a biotic part of a desert? | cactuses |
| What is an abiotic part of a forest? | water b/c it's nonliving |
| What has BOTH abiotic and biotic parts? | an ecosystem |
| what contains only biotic parts? | a community |
| There is little rainfall in the arctic tundra, however plants survive because-- | the permafrost prevents rain from draining through the soil |
| A(n)____ecosystem is one that is based on salty water | marine |
| Salt and fresh water mix in a(n) what? | an estuary |
| Each stream of water that joins a larger steam is ..what? | a tributary |
| the area where fresh water meets land is called the.. | littoral zone |
| in a freshwater ecosystem, the ____is the part of the water where no light reaches. | deep-water zone |
| what is a true statement about the savannas? | they can be home to large plant eaters |
| which is the most biologically diverse biome? | tropical rain forest |
| deciduous trees are able to conserve water in winter by.. | losing their leaves |
| the topsoil in a tropical rain forest is usually.. | thin and poor |
| to reduce competition for water, desert plants ofter grow... | far apart |
| Organisms in the ____feed on dead organic material. | deep-water zone |
| If you visited a savanna, you would most likely see what? | large herds of grazing animals such as zebras,gazelles, and wildebeasts |
| animals that live in the oceanic zone usually have what? | a sleek, tapered shape. |
| plants that have shallow, widespead roots that absorb water quicklyduring a storm would most likely live in a(n)... | Arctic tundra |
| which biome has the highest average yearly rainfall? | tropical rain forest |
| which biome has the lowest average yearly rainfall? | desert |
| _____tundra is found on mountaintops | Alpine |
| A_______is a tropical grassland | savanna |
Created by:
Stephanie Parnell