Q: PART 2: Systemic Level Effects of Phytoplankton Abundance and Production Read the following article…
A: Solution 2a. Phytoplankton are a species of microalgae that grow on the upper surface of lakes and…
Q: Plants use carbon dioxide from the air and are therefore called _____. a. consumers b. producers c.…
A: Answer is b.) producers.
Q: Identify one technology which would cause a significant reduction in the primary pollutants…
A: Introduction - Pollution from automobiles, power stations, industrial boilers, refineries, and…
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: 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: 2. a) Briefly describe the divisions of the Marine Environment.
A: An ecosystem is a natural community of living beings that deals with the external environment and…
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: An algal bloom in an aquatic ecosystem can cause the depletion of which element? Select one: a.…
A: Algal bloom refers as rapid accumulation in algae population in fresh water or marine water…
Q: Michael wants to build a new storage shed and is considering clearing some trees from his land to…
A: Michael wants to clear some tress and use it as lumber for building a new storage shed.
Q: Is the soil around Iqaluit, Nunavut is good for agriculture (growing crops like wheat, vegetables,…
A: As we know that soil contains minerals and water through which the plant absorb the nutrient…
Q: Which of the following is an Abiotic factor? A) Plants B) Water C) Consumers D) Animals
A: The non-living physical and chemical factors that affect the living organisms and the ecosystem is…
Q: What is one of the primary benefits of bioremediation?
A: Answer: BIOREMEDIATION: It is the branch of biotechnology in which we use the living organism like…
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: As we know Rain from sky follows Rain cycle, similarly So2 emission and absorption also follows a…
A: Sulfur is one of the most abundant elements on the earth. It is a yellow, brittle, tasteless,…
Q: Use of synthetic fertilizers often leads to the contamination of groundwater with nitrates. Nitrate…
A: The amount of ammonia available influences the number of bacteria present (loosely). So, no, there…
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: 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: If DDT, a pesticide, were introduced into the food chain below, due to bioaccumulation which…
A: The full name of DDT is Dichlorodiphenyltrichloroethane. It is used as an insecticide to kill…
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: 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: Explain how ozone being a deadly poison can still perform an essential function for our…
A: introduction The inorganic molecule ozone has the chemical formula O3. It's a pale blue gas with a…
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: Which organisms are considered the “recyclers” of our planet? (a) consumers (b) producers (c)…
A: Decomposers are called nature's recyclers, as they break down the organic matter in an ecosystem.…
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: Which type of UV radiation does the ozone block the most of? a. UV-B radiation b. UV-A radiation c.…
A: The light spectrum of visible light is a part of the electromagnetic spectrum that can visible…
Q: Therate of decomposition of leaf litter in woodlands can be strongly…
A: BASIC INFORMATION DECOMPOSITION It is the decomposition of the detritus that is the dead remains…
Q: 7. If you look closely at an image of a clear-cut forest, you can see that clear-cutting does more…
A: Humans rely on ecosystems for a variety of unseen services. For example, ecosystems provide foods,…
Q: Why it is very refreshing to stay in an area with a lot of plants during very hot Of the day?
A: Introduction Like all living organisms, plants also need continuous water supply in order to…
Q: Which of the following statements DOES NOT describe microbes in an aquatic system?
A: The statement "Bacterial and archaeal species are equally represented in freshwater and marine." is…
Q: What is spreading of oil on the surface of rivers or sea due to leakage from tankers known as?
A: The life of the aquatic animals is exploited due to human intervention. Some of its negative impacts…
Q: The image above is a screenshot taken from an online image sharing website, imgur, showing flowers…
A: If ionizing radiation is present, it can affect the genetic material in reproductive cells,…
Q: Some species of which of the below kinds of organisms are employed as biopesticides? 2. Fungi 3.…
A: The correct option is A - Bacteria only
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: 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: explain briefly how these components interact. Biotic - animals,Birds,Plants,Fungi,Organisms Abiotic…
A: Biotic components are those that comprise all living organisms in a habitat, whereas abiotic…
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: Explain how plate tectonics cause Earth tremors, earthquakes, volcanoes and tsunamis. 2. Describe…
A: A tsunami is a series of extremely long waves that can travel across the ocean at speeds of up to…
Q: This photograph was taken at a location on Mount Saint Helens called Meta Lake. The area was…
A: An ecosystem is made up of all living organisms as well as physicochemical components They are also…
Q: 3. _______________ soils have very low bulk density compared with mineral soils. a. Organic c.…
A: Soil is the upper layer of the earth crust.
Q: Which of the following factors would explain why there is a decreasing trend of microbial population…
A: Bacterial growth occurs when a bacteria divides into two daughter cells, a process known as binary…
Q: we humans disturbed the carbon cycle? b) What can we do so that these disturbances are not cause and…
A: BASIC INFORMATION CARBON CYCLE In an organism about 49% of the drive it is contributed by the…
Q: Which of these occurs through symbiotic nitrogen fixation? a. The plant benefits from using an…
A: Any normal or mechanical cycle that causes free nitrogen (N2), which is a generally idle gas…
Q: Which essential chemical must be “fixed” by soil-dwelling bacteria before it can enter the food…
A: The essential chemical must be “fixed” by soil-dwelling bacteria before it can enter the food chain…
Q: Give 10 examples of 10 biotic factors in surroundings
A: Introduction All living beings in an ecosystem are referred to as biotic factors. Their existence,…
Q: Before a new shopping center can be built on previously undeveloped land, the builders must submit a…
A: Biodiversity is the which describes the different varieties of organisms or living forms on the…
Which factor is the LEAST responsible for bringing microbes onto plants? (Clue: quantitative)
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- 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.choose letter and explain The planting of disease-resistant garden plants is an example of what type of IPM control strategy? a. Biological control b. Physical or mechanical control c. Cultural control d.Chemical controlThe rhizosphere is:Group of answer choices A.) an area 1-2 mm in thickness adjacent to the root. B.) Bacteria that assists in the conversion nitrogen gas. C. ) Fungi that assists in the absorption of micronutrients. D.) All of the above
- Plants obtain ______ by taking it up from the air. a. nitrogen c. phosphorus b. carbon d. waterHow do plants benefit from symbiotic associations with bacteria? With fungi? (answer must not exceed one paragraph)Which essential chemical must be “fixed” by soil-dwelling bacteria before it can enter the food chain? a. Carbon b. Nitrogen c. Phosphorous d. Both a. and b.
- Based on temperature requirements which of the following is not correct?* a. Coconut and mango are tropical crops b. Asian rice and wheat are cool season crops c. Citrus species are sub-tropical crops d. Cruciferous vegetables are cool season cropswhat process can give plants an advantage because of the presence of these bacteria undergoing the following process can provide them with nitrogen for the production of protein? A. nitrifying B. denitrifying C. ammonification D. nirtogen fixingOrganisms which synthesise their own food are called: A) autotrophs B) heterotrophs C) auxotrophs D) saprotrophs
- Which of the following plants thrive in a cool and moist habitat? A. C2 plant B. C3 plant C. C4 plant D. CAM plantPhytoremediation is the utilization of plants in the clean up of a polluted area. Are Indian Mustard, Willow, Poplar Tree examples of plants utilized in phytoremediation?The c arrows show detraficarion and death add another c arrow to show plants dying and becoming available to decomposers attach is the image to add to