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100
small, shrimp-like creatures that make up the diet of whales
What is krill?
100
tallest layer of the rain forest which receives the most sunlight
What is the emergent layer?
100
cooling of water vapor in atmospheric water (clouds)
What is condensation?
100
______________ makes nitrogen a usable form.
What is bacteria?
100
The Freshwater Biome is made up of these THREE things:
What are rivers, streams, and ponds?
200
water left behind by waves along the intertidal zones
What are tide pools?
200
frozen ground of the tundra
What is the permafrost?
200
diagram which shows all the food chains of a particular ecosystem and how they all fit together
What is the food web?
200
The Amazon, Nile, and Mekong
What are the world's THREE largest rivers?
200
rainforests, deserts, and grasslands make up this
What are Terrestrial Biomes?
300
the primary type of plant found in estuaries
What is a mangrove?
300
cumulative group of habits with similar climate and weather patterns
What is a biome?
300
heterotrophs who eat dead things and return nutrients to their environment
What are decomposers?
300
The world's largest lake
What is Baykal?
300
Estuaries, intertidal zones, abyssal zones and coral reefs make this up
What is the saltwater Biome?
400
used to describe animals that can glow in the ocean's abyss
What is bioluminescence?
400
plants absorbs a usable form of nitrogren
What is fixed nitrogen?
400
non living parts of an ecosystem
What is abiotic?
400
The world's largest lake is found where?
What is Russia?
400
THREE main cycles of non-living matter
What is the water cycle, carbon/oxygen cycle, and the nitrogen cycle?
500
a place where freshwater of a river meets the saltwater of an ocean
What is an estuary?
500
nitrogen is in its unusable atmospheric form
What is free nitrogen?
500
organisms need _______________ to repair tissues which become worn down.
What is nitrogen?
500
eternally frozen ground of the Tundra
What is permafrost?
500
FOUR main groups of organisms in a food chain
What are primary autotrophs, primary heterotrophs, secondary heterotrophs, and tertiary heterotrophs?