Cycles of Earth Animals Plant Structures Biosphere Feeding Terminology
200
What is nitrogen?
All organisms require ________ to make amino acids.
200
What is a Blue Whale?
The biggest mammal that inhabits the ocean.
200
What is phototropism?
A plants response to light.
200
What is ecology?
Scientific study of interactions among organisms and between orgainsims and their physical enviorment.
200
What is a trophic level?
Each step in a food chain or food web.
400
What is the water cycle?
Water continuously moves between the oceans, atmosphere and land.
400
What is a specices?
A specific scientific name identifies a _______ of an organism.
400
What is the phloem?
Transports solutions of nutrients and carbohydrates produced by photosynethesis.
400
What is observation?
First step in asking a question to solve a problem.
400
What is the ecological pyrimid?
Relative amount of energy or matter contained within each trophic level in a given food chain or food web.
600
What is denitrification?
Bacteria obtain energy by converting nitrates into nitrogen gas, which is released into the atmosphere.
600
What is an amphibian?
A cold-blooded vertebrate that spends some time on land but must breed and develop into an adult in water.
600
What is a gymnosperm and angiosperm?
Plants that are able to produce seeds
600
What is a biotic factor?
The living part of the enviorment.
600
What is chemosynthesis?
Chemical energy used o produce carbohydrates.
800
What is biogeochemical cycles?
Elements pass from one organism to another and among parts of the biosphere through closed loops.
800
What is an arachnid?
An animal with four pairs of legs and a body with two segments.
800
What is the primary growth?
The pattern of growth, occuring at the end of plants.
800
What is the biosphere?
Consists of all life on Earth and all parts of the Earth in which life exsits.
800
What is detrituores?
Digest decomposers that live on and in detritus particles.
What is phosphorus?
Forms a part of vital molecule such as DNA and RNA.
What is a reptile?
An air-breathing cold-blooded egg-laying vertebrate with an outer covering of scales or plates and a bony skeleton.
What is the cork camsium?
Outer covering of stems.
What is a community?
An assemblage of different populations that live together in a defined area.
What is a biomass?
Total amount of living tissue within a given trophic level.






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