Answer:
The correct answer is "The ammonia is controlled with a filter that uses two type of bacteria."
Explanation:
- The Biosphere on earth is composed of all the ecosystems, while each ecosystem is composed of the abiotic and biotic components and their mutual interactions. Aquarium is an example of aquatic ecosystem.
- Abiotic components constitute the non-living part of the ecosystem.
- Biotic components constitute the living part of the ecosystem.
- In the aquarium,
- The abiotic components include the air, water, heat, minerals, sunlight, fluorescent light.
- The biotic components include the aquatic plants, aquatic animals and the bacteria (in the filter attached to the aquarium).
- These bacteria are responsible for fixing dissolved nitrogen gas present in the water of the aquarium to ammonium and are called nitrogen-fixing bacteria.
- Free living bacteria like cyanobacteria or blue-green algae are examples of nitrogen-fixing bacteria.
- Fixation of dissolved nitrogen gas to ammonium and then conversion of ammonium to nitrites and nitrates (done by other bacteria) is essential because plants (terrestrial or aquatic) can use only nitrates as the source of nitrogen for the purpose of metabolism.
Answer:
DNA helicase
Explanation:
DNA helicase belongs to the class of biological molecules known as enzymes, which are biological catalysts. hope that helps love!
Answers;
Tend to contain more broadleaf evergreen trees
Compared with deciduous forests, coniferous forests end to contain more broadleaf evergreen trees.
Explanation;
A coniferous forest has trees like evergreens, they never lose their leaves and they are always green.
A deciduous forest is a forest where the leaves on the trees do turn colors and eventually fall of in the fall and winter.
Coniferous forests are found in colder climates, in fact the further north you go the less deciduous trees you will find. This also holds true for hot climates. Coniferous trees have evolved needles and thick sap so they lose less moisture to the elements while deciduous trees are usually located in areas of abundant moisture.
Retinol undergoes oxidation to produce retinal, which when combined with the protein opsin results in the formation of the light-sensitive pigment rhodopsin. You can see in black and white because rhodopsin is the pigment that gives you night vision.
<h3>What pigment is created using vitamin A?</h3>
Rhodopsin, also known as visual purple or the light-sensitive pigment found inside rod and cone cells of the retina, requires the retina as a structural component in order to function.
Yellow, orange, and red fruits and vegetables are colored by a pigment called carotenoids. Some carotenoids can be transformed into vitamin A by your body. The two sources of vitamin A are as follows: Fish, liver, dairy products, eggs, and organ meats are all sources of preformed vitamin A.
To know more about pigments visit:
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Answer: C
Explanation: Instead of doing all of the experiments by yourself, you should ask other scientists for help, If you don’t, you would never know if they might get different results than you.
*Answer C makes more sense than the other answers.*
