different biomes
a biome is a regional ________
ecosytem
there are _ types of aquatic ecosystem
2
what are the three ecosystem that are considered cold climate
boreal forest, tundra, and mountain and ice
there are ___ major ecosytems
6
sunlight in the aquatic ecosystem is important because _________
its necessary for photosynthesis
mountains and ice are ___ considered biomes
not
the suruaro cactus is in the ______ biome
desert
half the oxygen in the world comes from _____
algae
mountains and ice are considered _______
abiotic
permafrost is ___________
the soil in the tundra that freezes
Even though most of Earth's surface is covered with water, only _ percent
3
tundras are considered ____ and ___
cold and dry
the biome with cool mornings that turn to warm days is ________
deciduous forest
the abiotic factors are ___________________
sunlight, temperature, oxygen, and salt content