How much freshwater is on earth?

Q: What freshwater source would you predict has the lowest dissolved oxygen concentration?

A: Oxygen is considered the major factor for the survival and various physiological functioning of…

Q: What do we call species that can endure a wide extent of salinity?

A: The basic unit of classification is species. Species are closely related organisms and have similar…

Q: What is the main way that living organisms contribute to the water cycle?

A: The water cycle shows the regular movement of water within the Earth and atmosphere. It is a complex…

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: What is potable water?

A: An ecosystem is a large community of living organisms in a specific area in which the biotic and…

Q: Where the 70% of world's fresh water contained?

A: Water is inorganic, transparent, and tasteless chemical substance that is a main constituent of…

Q: How does the excessive addition of mineral nutrients to a pond eventually result in the loss of most…

A: Introduction: Ecology can be defined as the interaction among the life forms in the immediate…

Q: What significant role does the water cycle contribute in an aquatic environment?

A: The word biogeochemical includes three different terms, ‘bio’ refer to biotic component, ‘geo’…

Q: What are lakes ? explain the Types of lakes ?

A: Near about two-third of the earth is covered with water bodies in different forms. The total water…

Q: What are three to four uses for water?

A: Water has some unique properties which enables it to be used for various purposes. Some important…

Q: What makes oceans the least productive?

A: Oceans are the least productive among all the ecosystems because: There is insufficient radiation…

Q: Which of the following is true of oligotrophic lakes?

A: Lake ageing It is the natural process by which a lake fills in with erosional materials carried in…

Q: What are the traditional water harvesting system?

A: Since the planet is facing acute shortage of drinking water, Water harvesting is the need of the…

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: What TWO processes can increase salinity in the ocean?

A: Salinity is the measure that refers to the saltiness or the amount of salt that is found in the…

Q: How does gravity play a role in moving water in the water cycle?

A: the path in which the water on the ground , oceans , lakes are convetred into water vapor in…

Q: What problems do fisheries have?

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

Q: How does your use of water change Earth systems?

A: Earth system can be defined as the interaction of earth's physical,chemical and biological…

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 typical salinity values in the ocean?

A: Salinity is generally low at the equator and at the poles and high at mid-latitudes.

Q: What fish live in Lake Superior?

A: Lake Superior is a lake in North America. This lake belongs to the group of great lakes and is the…

Q: How would Oligotrophic lakes can turn into eutrophic lakes ?

A: Oligotrophic lakes are the ones which have very poor nutrient supply and cannot have much aquatic…

Q: Why is the pH found in freshwater sources in the Eastern half of the United States dramatically…

A: pH is the measure of the acidity of the solution. The lower the pH higher is the acidity and…

Q: Why do we need to put a dollar value to nautral resources?

A: The ecosystem services provided to us are quite vast and priceless. They not only provide us with…

Q: What problems do fisheries have? Chapter 17

A: Fisheries, Fish cultivating or pisciculture includes business rearing of fish, majorly for food, in…

Q: How can the addition of excess mineral nutrients to alake threaten its fish population?

A: The excess mineral nutrient makes the water of the lake hypertonic than the fluid of the fish body.

Q: What major ecosystem and economic services do freshwater systems provide?

A: Biosphere is the entire area on the earth along with its atmosphere in it. All the organisms and the…

Q: What is the role of BOD in a river water?

A: BOD is Biological Oxygen Demand. It is defined as the amount of dissolved oxygen which is required…

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: The main source of food in muddy-bottom intertidal communities is plankton

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What happens to the environment if sea ice melts?

A: Global warming is the increase in temperature due to emissions of greenhouse gases.

Q: What have humans done to impact the water cycle?

A: Humans straightforwardly change the elements of the water cycle through dams developed for water…

Q: What problem is faced by organisms that live in freshwater?

A: Osmosis is the movement of solvent molecules from high to low concentration through a semipermeable…

Q: what is the most important source of water on Earth?

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: Why the river fish will die if we leave it in the sea?

A: difference between the river water and the seawater is salinity sea fish is adapted to the high…

Q: What are some very productive marine environments, and why are they so productive?

A: Answer: Introduction:Primary productivity means the rate at which energy is transformed by…

Q: What lesson about water was learned from Hurricane Katrina?

A: Hurricane Katrina was an enormous Category 5 Atlantic tropical storm that caused more than 1,800…

Q: What is the source of nutrients for animals living in the deep-sea habitat?

A: Nutrient refers to the substance that provides nourishment, which is essential for proper growth of…

Q: What energy resources exist in the ocean?

A: The study of the ecosystem and its resources are generally referred to as ecology. It contains all…

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: What are the modern water harvesting system?

A: Water harvesting is defined as the process of collecting the rain water where it falls or collecting…

Q: What do you think would happen to both the catfish and the algae if another fish that eats algae…

A: The given data is about the food chain of pond ecosystem.  Ecosystem is a particular Geographical…