In most ecosystems, the primary producers use energy from______ to build organic compounds. a. sunlight b. heat c. breakdown of wastes and remains d. breakdown of inorganic substances in the habitat

Q: Which of the following is True about ocean ecosystems?a. Surface waters typically have abundant…

A: An ecosystem is an area where organisms, such as plants, animals,etc along with their weather work…

Q: A scientist finds that the gross primary productivity of the grasslands of the central United States…

A: Primary production is the process by which organic compounds are formed from atmospheric or aqueous…

Q: Abiotic factors are important to biotic organisms because they include    A.Weather and rocks B.…

A: Ecosystem is composed of biotic and abiotic factors. Biotic factors or biotic components are the…

Q: A complex of interconnected food chains in an ecosystem is called (a) an ecosystem (b) a pyramid of…

A: To find: What a complex of interconnected food chains in an ecosystem is called?

Q: Which of the following is not an example of a carbon sink? coal b oil limestone d. photosynthesis

A: Carbon sink is a natural or artificial reservoir that stores the atmosphere carbon with physical and…

Q: The effect of CO2 emissions from burning fossil fuels is likely to bea. nothing; photosynthesis by…

A: Fossil fuel is a natural fuel like coal or gas produced in the geological past from the sediments or…

Q: Adding high levels of nutrients to a lake or inshore area wouldhave all of the following effects in…

A: Adding high levels of nutrients to a lake or inshore area would have all of the following effects in…

Q: As a result of conventional approach to nature a) water,forests,land all are coomodified to…

A: Answer:- The correct option is B. The conventional approach here stands for a methodology/ task…

Q: Which of the following serves as evidence of water pollution?   a an abundance of water plants in…

A: The addition of some Chemicals or contaminants in the freshwater is called the water pollution.…

Q: The recent increase in atmospheric CO2 concentration is mainly a result of an increase in a. plant…

A: Answer is c.)  the burning of fossil fuels and wood.

Q: Energy for ecosystems can come froma) sunlight via photosynthesis.b) oxidation of reduced inorganic…

A: Answer is a.)  sunlight via photosynthesis.

Q: Which of these would decrease the rate of evaporation in an ecosystem? Oa. Creation of a reservoir…

A:

Q: A. Primary

A: The life on the earth exist with help of energy which is transferred into a food chain or food web…

Q: Chemical fertilizers:   a. supplement carbon fixation by crops. b. cause eutrophication. c.…

A: Introduction :- Fertilizers are of two types :- natural and artificial . Natural fertilizers are…

Q: Biological magnification occurs whena. pollutants increase in concentration in tissues at higher…

A: The trophic level of the organism can be defined as the position and it occupies in the food web.…

Q: Desertification typically happens becausea. deserts naturally expand in size.b. humans allow…

A: A desert is defined as a barren or empty area of landscape where very little precipitation and…

Q: The greastes effect that hmans have on the carbon cycle derives from A) the production of methane…

A: There are resources in nature that occur without any interference or action of humankind, such…

Q: What are the consequences of having an excess of nutrientssuch as nitrates and phosphates running…

A: Eutrophication is a well known process in the environment

Q: The preservation of ecosystems indirectly provides fresh water becausea. trees produce water as a…

A: Ecology is the branch of science that deals with the interaction of organisms and also with the…

Q: 1 12 Which is not a cause of global warming? b) Sea level rise a) Forestation 25540LED c)…

A: Global warming is caused by -  Greenhouse gases Variation in solar activity Heat trapping gases…

Q: Why does an urban park full of trees have a greater cooling effect than an equal-sized urban golf…

A: Trees cool the air by a process known as 'transpiration cooling'. As trees release water into the…

Q: Eutrophication isa. caused by an overabundance of nitrogen, which leads to an increasein bacteria…

A: Water pollution is defined as an undesirable substances in water that can affect the growth of other…

Q: In an ecosystem, energy? A) Cycles along with chemical nutrients B) comes ultimately from bacteria…

A: Ecosystem is a area where all the organisms and the environment works together to form a area of…

Q: Oligotrophic lakes have a. low oxygen, and high nutrient availability. b. high oxygen, and high…

A: this lake is more common in the cold area they have low algal growth they have clear water and is of…

Q: Earth’s largest carbon reservoir is______ . a. the atmosphere c. seawater b. sediments and rocks d.…

A: Answer is b.) sediments and rocks.

Q: ____ generated power is the number 1 source of renewable energy in the United States. a) Wind b)…

A: Renewable source of energy can be withdrawn from sun, wind or water so as to tackle climate change.…

Q: Increased average water temperature in Lake Erie as a result ofclimate change would most likely have…

A: Climate change is affecting the Earth's lakes at large scale. An increase in the air temperature is…

Q: The main cause of the increase in the amount of CO2 in Earth’satmosphere over the past 150 years…

A: The atmosphere of Earth is protecting the living things from the harmful ultraviolet radiation of…

Q: When climbing a mountain, we can observe transitions inbiological communities that are analogous to…

A: The latitude determines the biodiversity of a particular area. From the pole to the equator, the…

Q: Which of the following natural forces is responsible for the release of carbon dioxide and other…

A: Carbon dioxide is an essential gas in our atmosphere which constitutes of about 0.3 % responsible…

Q: If you applied a fungicide to a cornfield, what would you expectto happen to the rate of…

A: Fungicides are the substances which kill fungus.

Q: Which of the following is a biotic factor? a. wind b. disease-causing microbe c. temperature d. soil…

A: An ecosystem is a society of living things interacting with the nonliving parts of the environment.…

Q: Due to what food supply has increased during green revolution? A. Use of Chemicals B. Use of…

A: Green Revolution It refers to the major advances in the genetics of crop bredding in the 1960s,…

Q: Food chains are sometimes short because(A) only a single species of herbivore feeds on each…

A: Food chain is a linear representation of trophic level from producer to decomposer. It is a sequence…

Q: The carbon cycle and the water (hydrologic) cycle are similar in that (a) both cycle molecules…

A: A collection of species that live in close proximity to one another is referred to as an ecosystem.…

Q: Levels of CO2 and methane in the atmosphere have been increasing over the years. What effect is this…

A: The greenhouse effect is the natural warming of the Earth due to the presence of greenhouse gases in…

Q: In a biogas production, algae is a resource that comes from O a. torestry residue O b. aquatic crops…

A: A non-conventional form of energy derived from the organic wastes such as leftover digested slurry,…

Q: What would happen in an ecosystem if there was less denitrification (compared to the past)? Over…

A: Denitrification is the process that is antagonistic to nitrification. It is a microbe driven process…

Q: The movement of water between the Earth's surface and atmosphere is the  a. cycle of day and night…

A: There is a continuous movement of water between the earth and the atmosphere. Water, when gets…

Q: Hydroelectric power. Assess a) two benefits and b) two negative environmental impacts

A: Dam, structure worked across a stream, a waterway, or an estuary to hold water. Dams are worked to…

Q: N2 content is kept constant in the biosphere due to: A. N2 fixation B. industrial pollution…

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

Q: Answer these questions A) State effects of acid rain B) What are the effects of primary and…

A: Pollution is the introduction of contaminants or harmful pollutants into the natural environment…

Q: Thelargest reservoir of phosphorus in most ecosystems is phosphorus:a. inthe atmosphere.b.dissolved…

A: Phosphorous is one of the biogenetic nutrients. It is a major constituent of nucleic acids, energy…

Q: Give the importance of the a) water cycle b) nitrogen cycle

A: Ecological cycles are the self-regulating mechanisms that recycle the earth's limited resources —…

Q: Which of the following would represent an ecosystem? a. A lake b. A fish tank c. A prairie d.…

A: An ecosystem is a geographical region in which plants, animals, and other creatures, as well as…

Microbes

Microbes are microscopic living organisms that can only be detected with the help of specialized laboratory equipment called a microscope. These living organisms are so small that they are not visible to the naked eye.