community that has 4 trophic levels, what biomass of primary producers is necessary to maintain a tertiary consumer biomass of 1.78 kg/m^2? *

Q: Under what conditions would you expect the lowest NPP in a terrestrial ecosystem?   a)Cool…

A: In a terrestrial ecosystem, both temperature and precipitatiin positively affect the net primary…

Q: A community in which secondary succession is very rapid has: a) High resilience b) Low resistance…

A: The plants and animals are dependent on each other in daily life. Along with some abiotic factors,…

Q: It must have organisms that carry out autotrophic nutrition. It must have producers and consumers…

A: The ecosystem is made up of a biological community that exists in a region along with physical and…

Q: Which of the following is most likely to contribute to warmer global temperatures? a)Clearing a…

A: The phenomenon of a slow rise in temperature close to the earth's surface is known as global…

Q: When the sulfur dioxide released from burning fossil fuels reacts with water vapor in clouds,…

A: Pollution is any undesirable change in physical, chemical or biological characteristics of air,…

Q: Which of the following is an example of an inverted biomass pyramid?   Multiple Choice   A.…

A: In the ecosystem the biomass, energy and the number of individuals can be represented by graphical…

Q: The key source of food for organisms living on the abyssal plain is.. O a) Descending photosynthetic…

A: Any community of organisms in the deep sea that share a common environment is referred to as a deep…

Q: Which of the following natural resources humans gain from plants is the LEAST renewable? a) Peat b)…

A: Renewable resource are the resources that can be used again and again without depletion and are able…

Q: maintain a sustainable natural income

A: The nature has various resources that are useful for different species. These resource that are…

Q: Before a new shopping center can be built on previously undeveloped land, the builders must submit a…

A: Environment concerns include global warming , air pollution, water pollution and soil pollution…

Q: Which of these fish populations will most likely decrease if people keep cutting down the trees near…

A: When looking for food, carp frequently cruise the coastal boundary. In morning and late in the day,…

Q: Distinguish between gross primary production and net primaryproduction.

A: The ecosystem can be defined as the geographic area where the plants, animals, and other organisms,…

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: Are the below statements true or false (correct or wrong)? You have briefly to motivate your answer…

A: In first case if the important species of snake lives in a particular Habitat surrounded by lots of…

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: 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: 400

A: Introduction: The greenhouse effect is a natural process that helps regulate the Earth's temperature…

Q: 9)In the video, Dr. Paine says, "all animals are equal, but some animals are more equal than…

A: Answer:- Option B is the correct choice. Some animals have greater effects on their ecosystem than…

Q: Butfer zones around nature reserves:- a) Exclude all humans. b) Allow native tribes, but exclude all…

A: Buffer zones around nature reserves allow non- destructive human activities and are designed to…

Q: Lastly, notice the yellow graph for "Net Exports": in 2008 it was about +400, meaning the US…

A: Biodiesel is a renewable fuel obtained from biotic components.

Q: Developed Developing 25) Use Figure 11-10 to answer the question. Which statement best describes the…

A: Fossil fuels : A fossil fuel is hydrocarbon containing material formed underground from the remains…

Q: Climate change would encompass which of the following? a) A dry summer within the Amazon rainforest…

A: The long term changes in temparature and weather patterns in environment is known as climate change.…

Q: As the level of carbon dioxide in the atmosphere increases, how will primary productivity impacted?…

A: As the level of carbon dioxide increases the heat in the surrounding environment increases too. The…

Q: 5. The scale of a landscape is _________________.     A)  the spatial dimension of an ecological…

A:

Q: Altered biogeochemical cycles combined with climate change increase the vulnerability of…

A: Healthy biological systems and rich biodiversity are crucial to life on our planet. Environmental…

Q: Which of the following agricultural practices can increase water pollution? a) Manual cultivating b)…

A: Introduction :- Genetically modified crops are agricultural plants whose DNA has been altered using…

Q: A food chain consists of grass, sheep, and human populations. If 7000 kJ in harvested grain is fed…

A: Q.Solution:- Food chain is a sequence of events that shows the feeding habits of an animal. Animal…

Q: From the nitrogen cycle diagram below, which of the following is/are a process by which nitrogen can…

A: Nitrogen is the most abundant gas in the atmosphere and is cycled through the biosphere via nitrogen…

Q: 1.) a.Name two biological processes involved in rapid carbon exchange:     b.Name two geologic…

A: Carbon is the fourth most abundant component known to mankind, and is significant to life on Earth.…

Q: Describe briefly:(a) Arithmetic growth(b) Geometric growth(c) Sigmoid growth curve(d) Absolute and…

A: Population change is caused by many factors. Any of these factors can lead to a change in population…

Q: In a temperate grassland ecosystem, total primary production was 12,740 g/m"/yr. Annual net…

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

Q: Which of the following hypothetical islands would likely have the greatest species richness? Group…

A: A large island has more species, greater species interaction, and more natural elements. Since…

Q: 19. What ecological relationship is illustrated by the above diagram? a) food chain b) symbiosis c)…

A: Ecological relationships It can explain as,  the relationship between and among organisms living…

Q: What is the lowest temperature that biogas can be produced in a biodigester from dog poop? Give an…

A: A biodigester system uses organic waste, animal and human excreta, to produce fertilizer and biogas.…

Q: Which human activity has probably contributed most to the acidification of lakes in the Adirondack…

A: Acidification It is defined as the decrease in the pH of the water bodies. It is caused by the…

Q: 4) In the graphical representation of energy flow, generally the base is made up of the __________,…

A: Energy flow in the flow of energy through living organism of any ecosystem. The energy flow is…

Q: What if we were able to restore some critical salmon habitat, like the forests surrounding the…

A: MSY  Maximum sustainable yield or MSY is the maximum catch that we can get from the fish of a…

Q: Give a) 3 examples of biotic components b) 7 examples of abiotic components

A: Biotic refers to the living components of an ecosystem and abiotic refers to the non-living…

Q: Many cultures and religions have customs which deal with the way they use the land. For example, in…

A: Shifting agriculture is a type of cultivation method where land is used for a few years and then…

Q: Which of these hypotheses does not explain why increased CO2 levels in the atmosphere could cause a…

A: Climate change has several implications on agriculture, many of which are making it more difficult…

Q: 1) How could your eco-column be used to model the greenhouse effect? 2) Describe how your…

A: An ecosystem is defined as a structural and functional unit of ecology where plants, animals, and…

Q: The Venus flytrap is a photosynthetic plant that can trap and eat small insects. The Venus flytrap…

A: According to the ecological principles, due to the maintainence of energy in the environment,…

Q: Which of the following would be considered a bad predictor of environmental conditions that a) dry…

A: Need to find which of the following options is a bad predictor of environmental conditions from the…

Q: Dead Zone Volume (10⁹ m³) 7 6 N 1 0 Figure 1: Relationship between nitrogen input and dead zone…

A: The term "Dead Zone Volume" of a lake is used to refer to the amount of dissolved oxygen available…

Q: Which of the following is a characteristic of terrestrial biomes? CHECK ALL THAT COULD APPLY…

A: Biological communities that have developed in response to their physical surroundings and a common…

Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.