Which of these occurs through symbiotic nitrogen fixation? a. The plant benefits from using an endless source of nitrogen. b. The soil benefits from being naturally fertilized. c. Bacteria benefit from using photosynthates from the plant. d. All of the above occur.

Q: Plants use carbon dioxide from the air and are therefore called _____. a. consumers b. producers c.…

A: Answer is b.) producers.

Q: Decomposers a. break down dead organic matter in the environment by secreting digestive enzymes. b.…

A: According to Odum ,on the basis of trophic level ,an ecosystem has two major components namely…

Q: A scientist is evaluating factors that may influence productivity of algae. He conducts an…

A: The two most critical limiting factors for aquatic production are phosphate (Orthophosphates) and…

Q: A. Explain one reason why a farmer or home gardener might want to use a commercial mycorrhizae…

A: Plant roots and fungi form a symbiotic relationship known as mycorrhizae. Their main function is to…

Q: Nitrogen fixation is the processa. that converts organic nitrogen to NH3.b. by which plants and…

A: Nitrogen is one of the major elements that make up the living world. It is an essential element…

Q: Which of the following statements would be most INCORRECT if there were a sudden decline in plants…

A: The sudden decline in plants on earth will not effect that much on photosynthesis. Humans will…

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

A: Answer is a.)  sunlight via photosynthesis.

Q: Compare and contrast the transport of water and organic nutrients inplants with the transport of…

A: Transportation can be defined as the essential life process essential for synthesizing and absorbing…

Q: The main source(s) of hydrogen and oxygen for plants is (are)____ . a. soil and air c. water and…

A: Plants require optimum temperature, nutrients, and climatic conditions for their proper growth.

Q: Describe 3 factors that could inhibit primary production. Use examples to explain how autotrophs can…

A: Green plants are the autotrophs and use solar energy to produce organic food. They are the primary…

Q: Two clay loam soil were found to contain 2.5% and 5% organic matter. (a) How do you compare their…

A: Introduction  An ecosystem deals with both biotic and abiotic factors and their interaction with…

Q: Observe the carbon and nitrogen cycles and explain those places inthe cycles where interactions in…

A: Biofilms are complex communities of microorganisms attached to surfaces or associated with…

Q: Xamine the following picture. his plant is called mistletoe. The life cycle of the plant involves…

A: The two main components of nature are biotic and abiotic factors. There is a continuous interaction…

Q: When did concern over the effects of pesticides start to grow in the United States? Describe the…

A: The term pesticide is associated with a biological or chemical agent that has the ability to impact…

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: What group of organisms make their own food? A. Autotrophs B. Producers C. Phototrophs D. All of…

A: The organisms which produce food are plants. Plants are green in color. They have chloroplasts.…

Q: t would most likely happen if too many nutrients entered an estuary? a. Algal blooms would decrease,…

A: Too many nutrients entering into the history is not good for the organisms that lie under water.…

Q: Focusing just on the effects of temperature, would you expect the global distribution of C4 plants…

A: Global warming is due to the increase in the concentration of greenhouse gasses that resulted in…

Q: impact of climate change on Agriculture, how we can mitigate its effects o

A: Climate change is long term change in average whether conditions of a region which is caused by…

Q: i. Give an example of a plant organ that functions as the source and the sink in the transport…

A: The figure represents the movement of photo-assimilates from its source location to the sink…

Q: The practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant…

A: For plant growth different micronutrients and micronutrients are needed. Some of this nutrients are…

Q: If you feed a houseplant with fertilizer too often, it may look wilted despite the soil being wet.…

A: A fertilizer is any material of common or manufactured birthplace that is applied to soil or to…

Q: The practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant…

A: Nitrogen fixation is the process by which plants and associated bacteria fix atmospheric nitrogen…

Q: What are the taken actions nowadays to counteract the effect of pollutants in the air? Mention 4…

A: Worldwide, environmental change alludes to the changes over the time period which affect all the…

Q: Inaquatic ecosystems, leaves with high lignin content decompose:a.rapidly because lignin is a…

A: A dead organic substance is broken down into simple inorganic or organic matter such as water, a…

Q: The practice of crop rotation uses nitrogen fixation to create fertile fields. First,. plant without…

A: Nitrogen-fixing plants are usually legumes that have the Rhizobium bacteria that convert the…

Q: a. What eventually happens to the nutrients that run off into theocean with sewage and other…

A: The interaction between the environment and microbiology is crucial to study energy and nutrient…

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: ishkeepers are interested in putting some species of bacteria in their water tanks because of their…

A: Nitrogen cycle occurs in the nature to fix atmospheric nitrogen into its compounds that can be used…

Q: The process whereby nitrogen is brought into organic molecules is called ________. a. nitrification…

A: Nitrogen is one of the essential macro element that is a crucially important for all life forms. It…

Q: Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?…

A: Nitrogen is an odorless, colorless, and gaseous element that makes up around 70 percent of the…

Q: Based on your observation ( e.g. what you heard from news and read in newspapers), how does the…

A: Soil conservation is the avoidance of erosion of the top layer of soil or the reduction of fertility…

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: Nitrogen compounds differ from other minerals needed by plants because they. Select one: O a. Are…

A: Nitrogen is an essential element because it is the major component of nucleic acids, proteins,…

Q: it is discovered that the algae-killing product (AlgaeBdead) that spilled in Lake Ontario also…

A: AlgaeBdead inhibits the growth of fungi in lake.

Q: A shortage of phosphorus in the soil would make it difficult for a plant to make

A: DNA or deify ribonucleic acid is the macromolecule that contains the genetic information and is…

Q: Is it correct to say that a volcanic eruption disrupted the energy flow of an ecosystem because many…

A: Volcanoes affect ecosystems in a variety of ways, ranging from catastrophic local effects to diffuse…

Q: Pick 3 biomes and describe their soil and why is their this soil composition like?

A: Biomes are biological realms of Earth which have unique vegetation and climatic factors. Often soil…

Q: During  biological nitrogen fixation, microbial plant symbionts uptake_________and converted it…

A: The biological nitrogen fixation is done by prokaryotes, .This is an process vital taking into…

Q: Explain why soil is our most precious resource.

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

Q: Imagine a region of soil became contaminated, killing bacteria that decompose dead plants and…

A: Photosynthesis, Decomposition, Respiration and Combustion are the four steps in the carbon cycle.

Q: All ATP production on earth derives its roots from, directly or indirectly from: A) Electricity B…

A: Answer: Introduction: Photosynthesis is the phenomenon utilized by plants, algae and certain…

Q: Name three human activities that can promote soil erosion.Describe several farming techniques (such…

A: The removal of the top fertile layer of the soil by the action of wind, water or other human…

Q: Any organism that must obtain its food from a source outside itself is a(n) a. autotroph. b.…

A: Food is the essential substance that is required by the organism for survival. This provides…

Q: Which statement regarding plants is false? They are sources of medicines. They modify Earth's…

A: A - Plants are an important source of medicine due to presence of certain chemicals/active…

Q: The fungus Botrytis is known to cause rot in fruit and decrease the harvest. In an effort to limit…

A: Botrytis fungicide is a type of fugus which rot the fruits like grapes.

Q: Is it possible to build up a soil's organic matter and at the same time make it less fertile

A: The loftiest layer of Earth where the growth and nourishment of plants occurs is called the soil. It…

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.