What problem is faced by organisms that live in fresh water?

Q: Where might you expect to find nitrogen-fixing bacteria?

A: Nitrogen acts as a limiting factor in plant growth. A large amount of nitrogen is required to…

Q: What are examples of a bacterium that produces a biofilm ?

A: A biofilm is a complex structure formed by many different bacterial colonies.

Q: What is the term for the accumulation of dead planktonic organisms that have sunk through the water…

A: The answer is given below.

Q: Give two examples of those bacteria that can survive in hot sulphur springs.

A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…

Q: Why is the specific heat of water important to marine life?

A: Water covers around 70%of our earth surface. Water is very vital for survival any living organisms…

Q: Why are organisms in the abyssal zone of the ocean necessarily halophilic, psychrophilic,…

A: The three major life zones in ocean are estuarine zone, bathyal zone and abyssal zone.

Q: How do cyanobacteria prevent erosion in cold desert regions?

A: These bacteria do not have a significant variety of shape, and though they are tiny, they are great…

Q: Why are marine cyanobacteria so amazingly successful?

A: Cyanobacteria are also called blue-green algae and they of an ancient group of photosynthetic…

Q: An organism that thrives in highly saline (salt rich) environment would be considered a:

A: Some primitive microorganisms are defined by their habitats,  for example methanogens can release…

Q: What is Eubacteria?

A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…

Q: What organisms living in salty area are called?

A: Habitat is a type of natural environment for which organisms or species best adapted due to natural…

Q: In what environments might the following organisms be found? mesophile

A: An environment, with respect to an organism, is the conditions and surrounding factors where a…

Q: Mention any two ways in which organisms tide over unfavourable conditions by suspending their…

A: Organisms tide over unfavorable condition by suspending their activities such as metabolism…

Q: ocean acidification

A: A universal indicator is a mixture of different indicators or dyes which has many different colors…

Q: Why are planktons important in the food chain?

A: Answer

Q: How are cyanobacteria responsible for the rise in atmospheric oxygen?

A: The Cyanobacteria were a basic creature that played an important part in transforming Earth's early…

Q: How do hydrothermal vents support thriving communities of microbes, clams, and tube worms?

A: Hydrothermal vents are present on the seafloor which lets out geothermally heated water. It is…

Q: What problems do fisheries have?

A: Fisheries refer to the complete process of raising and harvesting fish and other aquatic organisms…

Q: If a fresh water fish is placed in an aquarium containing sea water,will the fish be able to…

A: A fresh water fish when placed in sea water it won't survive and will ultimately face death.

Q: What is it called when organisms feed by food that has settled into the sediment? Give an example of…

A: Ecology is the branch of science which deals with the study of interrelationship amongst organisms…

Q: What are the organisms involved in organic matter decomposition?

A: Organic matter decomposition occurs naturally through the process of bacterial decomposition. This…

Q: Are there any types of Bacteria or Archaea that areable to oxidize ammonia to nitrate?

A: Archaea and bacteria are referred to as prokaryotic unicellular organisms. Initially, archaea were…

Q: How does salinity play an important role in ecological classification of organisms?

A: The amount of dissolved salts present in water is termed as salinity. In seawater, sodium &…

Q: Is oxygen a requirement for the growth of all organisms? Describe the following in terms of oxygen…

A: Oxygen is a requirement for most of the organism to regulate their growth. Yet, some organisms can…

Q: What kinds of organisms can fix nitrogen? Which onescannot?

A: Introduction: Nitrogen fixation is the cycle by which atmospheric nitrogen is changed over by either…

Q: How are archaebacteria able to survive and tolerate high heat and low ph.

A: Archaebacteria are the oldest living organisms on earth. They come under kingdom archaea and…

Q: Which environment has many microorganisms and which has few?

A: Microorganisms live in every kind of habitat and their presence invariably affects the environment…

Q: Which organisms are the chief produces in oceans?

A: Ecosystem is a community or group of living organisms that live in and interacts with each other in…

Q: What alternative sources of energy are suggested to nourishmicroorganisms in extremely deep marine…

A: The population of microbes in the deep sea vents depends on the physical and the chemical parameters…

Q: What do you mean by facultative aerobes? Give some examples.

A: Oxygen is important for respiration as it converts food into energy form called ATP where cells of…

Q: What is eutrophication? How do agriculture, sewage, and use of detergents contribute to the process…

A: Eutrophication : It is the process in which a water body becomes overly enriched with nutrients ,…

Q: What are the advantages of biofilms as a growthmode over a planktonic lifestyle?

A: Planktons include diverse collection of organisms, which lives in water bodies and form the primary…

Q: What is the function of microorganisms in the natural bodies of water?

A: Answer: There are several functions of microorganisms in the natural bodies of water and they play a…

Q: From the Gizmo Handbook, give an example of a hypertonic solution and a hypotonic solution.

A: We are not allowed to answer from third party reference so answer is from general perspective.…

Q: Will addition of organic matter to a water sample increase ordecrease its BOD?

A: Most natural waters contain small quantities of organic compounds. Aquatic microorganisms have…

Q: Give 5 examples of saltwater organisms and their dissolved oxygen requirements

A:

Q: Give two reasons why sulfate-reducing bacteria are common inshallow marine sediments.

A: Sulfate-reducing bacteria are anaerobic microorganisms that use sulfate as a terminal electron…

Q: Why are microorganisms present in the bodies of water?

A: Microorganisms present in water use the water to take in food and to remove unwanted waste products.…

Q: Will a fish replaced from a freshwater source to an aquarium with sea water be able to survive?Give…

A: Fishes are the cold-blooded or ectothermic organisms. This means that they do not maintain the…

Q: What is the importance of gliding motility in theformation of marine chemolithotrophic mat systems?

A: Motility mat is multiple layers of microorganisms mainly archaea and bacteria. These grow at…

Q: How is it that some organisms can survive in such harsh environments? Provide two specific examples.

A: Microbiology is the science of virus, bacterium, algae, fungus, slime moulds, and protozoa, which…

Q: What is the individual relationship of Sand, Silt and Clay to the water?

A: Sand, silt, and clay determine the texture of the soil. Sand is composed of gritty particles that…

Q: Which chemolithotrophic lifestyle seems best suited to life at thehighest temperatures?

A: Microbes are exclusively chemolithotrophs; there is no known macrofauna capable of using inorganic…

Q: What type of organisms must consume autotrophic organisms to get the molecules they need

A: There are 2 modes of nutrition 1.Autotrophic mode of nutrition  2.Heterotrophic mode of nutrition

Q: If a marine fish is placed in fresh water aquarium, will the fish be able to survive. Why or why…

A: Regulation of water and electrolyte balance in the body to maintain the homeostasis is known as…

Q: Describe the ecosystem that develops within a Winogradsky column. Are any of these organisms…

A: Introduction: Nature/Ecosystem comprises both biotic and abiotic components. The biotic component…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.