Cycles of Earth Animals Plant Structures Biosphere Feeding Terminology
What is nitrogen?
All organisms require ________ to make amino acids.
What is a Blue Whale?
The biggest mammal that inhabits the ocean.
What is phototropism?
A plants response to light.
What is ecology?
Scientific study of interactions among organisms and between orgainsims and their physical enviorment.
What is a trophic level?
Each step in a food chain or food web.
What is the water cycle?
Water continuously moves between the oceans, atmosphere and land.
What is a specices?
A specific scientific name identifies a _______ of an organism.
What is the phloem?
Transports solutions of nutrients and carbohydrates produced by photosynethesis.
What is observation?
First step in asking a question to solve a problem.
What is the ecological pyrimid?
Relative amount of energy or matter contained within each trophic level in a given food chain or food web.
What is denitrification?
Bacteria obtain energy by converting nitrates into nitrogen gas, which is released into the atmosphere.
What is an amphibian?
A cold-blooded vertebrate that spends some time on land but must breed and develop into an adult in water.
What is a gymnosperm and angiosperm?
Plants that are able to produce seeds
What is a biotic factor?
The living part of the enviorment.
What is chemosynthesis?
Chemical energy used o produce carbohydrates.
What is biogeochemical cycles?
Elements pass from one organism to another and among parts of the biosphere through closed loops.
What is an arachnid?
An animal with four pairs of legs and a body with two segments.
What is the primary growth?
The pattern of growth, occuring at the end of plants.
What is the biosphere?
Consists of all life on Earth and all parts of the Earth in which life exsits.
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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