Science Chapter 8
contains ecosystems that have similar biotic and abiotic factors.
Typically hot and dry, cool at night, receives very little rainfall.
Very cold, dry, and treeless. Low biodiversity of Lichens, Shallow rooted mosses, and Lemmings.
Ecosystems which include lakes, ponds, rivers, and streams.
Dominant plant is grass. Few trees around water sources. Animals typically include large herbivores. Has distinct seasons.
Saltwater ecosystem that covers most of the Earth's surface.
A layer of soil that remains frozen all year.
The first species that colonize new or undisturbed land.
A stable community that no longer goes through major ecological change.
Aquatic Abiotic factors
Temperature, Sunlight, Dissolved Oxygen
The amount of salt dissolved in water.
Ecological succession in new areas of land with little or no soil.
Ecological succession in areas where existing ecosystems have been disturbed or destroyed.
A natural predictable process of freshwater ecosystems changing over time
The process of a body of water becoming nutrient rich.
The uppermost zone in the ocean. This is where photosynthesis can take place.
Middle zone in the ocean where very little sunlight reaches.
Deepest zone in the ocean where no sunlight reaches. Decaying matter float down to this zone.
Relatively shallow seabed surrounding a continent.
Ocean shore between the lowest low tide and highest high tide.
Living or once living
Nonliving parts that living parts need to survive.
The biotic and abiotic parts of an ecosystem.
Fish use to separate oxygen from water.
Plants have in their leaves and roots to survive under water.
Four types of Aquatic Ecosystems
Freshwater, Wetland, Estuary, Ocean
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