ocean surface zone
plankton
rapids
saltwater biome
freshwater biome
estuary
shallow ocean zone
tide
deep ocean zone
. biome
rain forest
grassland
temperate forest
desert
taiga
tundra
. permafrost
temperate deciduous forest
competition
respiration
carnivore
herbivore omnivore energy pyramid
decomposer
. energy for the energy pyramid comes from the sun the moon animals. What must be changed into nitrogen compounds before it can be used? nitrogen gas nitrogen chocolate nitrogen energy. Who needs nitrogen to help make protein? no living things all living things plants. What changes in an ecosystem when conditions change? population temperature rainfall. ______________ that are introduced to a new ecostsyem have no natural enemies and they spread rapidly. organisms plankton onion rings. _________________ determine the kinds of animals that live ina biome. plants mountains tartar sauce. Mosses and lichen live in the desert the tundra the ocean. The saltwater biome cover ___________ of the earth. 3/4 1/3 1/2. The producers on a food web are on the top bottom. _____ is used to show the energy available at each level of the food chain. energy machine energy pyramid Tutunkamun's pyramid. What are the most important materials in an ecosystem? water, oxygen, sunlight, carbon dioxide water, oxygen, sunlight, carbon monoxide water, oxygen, sunlight, helium water, oxygen, sunlight, ice cream. Bacteria decomposes plant and animal wastes causing what to happen? nitrogen releases into the air oxygen releases into the air carbon dioxide releases into the air.
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