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What is a sentence with the word reaction in science?
A Food web reaction is a life cycle.
Is Activation energy the minimum energy needed for a reaction to start?
No, the opposite. The lower the activation barrier the faster the reaction goes. That is how a catalyst speeds up the reaction: by lowering the activation energy.See the Web Links for more information.
When an online meeting takes place on the Web it is called?
a Web conference
In terms of the Bohr theory of the hydrogen atom what process is occurring when excited hydrogen atoms emit radiant energy of certain wavelengths and only those wavelengths?
"Electrons move from a lower energy level (ground state) to a higher energy level only after the electron absorbs a specific quantum of energy. The electron releases that energy moving from a higher to a lower energy level releasing a photon of light. An electron can only absorb and emit certain quanta of energy, and cannot be located in between energy levels."Taken from: http://www.google.com/url?sa=t&source=web&ct=res&cd=3&ved=0CBIQFjAC&url=http%3A%2F%2Fsp.rpcs.org%2Ffaculty%2FMillerD%2FChemistryH%2FHomework%2520Answers%2FEMSpectrumWS7%2520Answers.doc&ei=QFrbStfHNI2OMfO3-NYH&usg=AFQjCNHkbOVlZ8CR1IdFcCh8XK_zkZpFsA&sig2=hNCznJIXMkP8R4apk0H4tA
How is carbon recycled in the environment?
We breath it out and plants breath it in. The plants breath out oxygen and we breath in, that's why we need our tree's and plants!!! Most Carbon Dioxide is removed from the atmosphere through the oceans. In particular the northern oceans. carbon is recycled when plant take it in from the atmosphere in the proccess of photosynthisis. it the passes through the trophic levels in the food web. when an animal dies decomposers and detritavors break down the dead matter and realese the carbon back into the atmosphere then the process begins again
Is matter and energy conserved in a food web?
Matter and total energy are ALWAYS conserved. However, in a food web, you will often consider the USABLE energy; this gets reduced at each step of the food web.
What pyramid represents the amount of energy or matter that exists in each of a food web?
a food web pyramid
How is the flow of energy through a community different from that of matter?
When an animal eats a plant as food, both energy and matter are passed from one organism to another in a food web. Unlike the flow of energy in a food web, however, the flow of matter is not one way. Matter cycles within a community.
What pyramid represents the amount of energy or matter that exists in each level of a food web?
a food web pyramid
What pyramid represents the amount of energy or matter that exist in each level of food web?
a food web pyramid
What pyramid represents amount of energy or matter that exists in each level of a food web?
a food web pyramid
What pyramid represents the amount of energy or matter that exists in each level of a food chain?
a food web
Which statement best describes why an island food web could be considered a closed system?
New energy enters the food web, and matter is created as it moves through the web
What is the term of each step in the transfer of energy and matter within the food web?
Trophic level
What is term for each step in the transfer of energy and matter within the food web?
Trophic level
What is a difference between how matter and energy move through a food web?
No IDEA because i have a same question
What energy role is the cat in the food web?
what energy role does the cat play in the food web
