In a food web, two different species can directly affect each other’s abundance via _ competition or may in fact have their abundance indirectly regulated by a higher trophic level, a phenomenon called ____ competition. a) Intraspecific, apparent b) Interspecific, apparent c) Intraspecific, apparent d) Apparent, interspecific

Q: Why do most food chains not go beyond the 4th or 5th trophic level?

A: Food chain of the process of eating of one organism by the other which is then eaten by some other…

Q: What is the dominant second trophic level, in a lake ecosystem?

A: The ecology is the study of all living beings and their interaction with the environment. It…

Q: Q1: What percentage of the original 10,000 Kilocalories is available to a shark that might eat the…

A:

Q: If biologists determine that this country’s sustained yield of fish is 17 million metric tons per…

A: Biocapacity is the capacity of the ecosystem to regenerate what people demand from those surfaces.

Q: The pattern of recovery in a community after a disturbance is called ___________________.…

A: The answer to this question is ecological succession.

Q: As climate change continues to warm water bodies, what abiotic changes occur in ponds and lakes? How…

A: Pond ecosystem  Ponds and lakes comes under the Lentic type of ecosystem--of Fresh water ecosystem,…

Q: What does the fishing-down-the-food-web hypothesis predict? The lowest landings have the…

A: 1- Introduction - Fishing down the food chain is the process by which fisheries in a given…

Q: Ecosystem A has primary production of 2000 g C /m2/yr and ecological efficiency of 10%. Ecosystem B…

A: Ecosystem A has primary production of 2000 g.C.m-2.y-1, and ecological efficiency of 10%. Now, we…

Q: DISTINGUISH between the following pairs of ecological terms: a. Primary production/Secondary…

A: Ecology is the study of the relationship between living things, including humans, and their physical…

Q: Which of the following is true of trophic relationships in an ecosystem? All energy in the food…

A: The trophic level can be defined as the levels in an ecosystem that holds some position in the food…

Q: What proportion of energy stored at one trophic level ends up being LOST as it moves to the next…

A: The "trophic level" is simply a feeding level, as seen in a food chain or food web. The bottom…

Q: Questiion: A given ecosystem has the following amounts of energy available at each trophic level:…

A: Lindeman's law for ecological efficiency states that the efficiency of the transfer of energy is…

Q: EcosystemA hasprimary production of 1000 g C /m2/yr and ecological efficiency of 10%. Ecosystem B…

A: The rate of biomass production per unit area is called productivity. The primary productivity of a…

Q: What is a trophic cascade? How do you integrate the concept into ecosystem management programs and…

A: Please follow step 2 for detailed explanation.

Q: Why is the number of trophic levels in an ecosystem limited?

A: Trophic levels: It is the group of organisms within an ecosystem which occupy the same level in a…

Q: Using the diagram of a food pyramid for reference, estimate the following: a. How many kilograms of…

A: Biomass is the amount of living organic matter. A pyramid of biomass is a graphical representation…

Q: Describe a food chain that has at least four different trophic levels. Label the tropic level…

A: As per the guidelines we are supposed to answer only first question in case of multiple posted.…

Q: Which of the following ultimately feeds at every trophic level? Producer Primary consumer Secondary…

A: The food chain is an important ecological equipment that describe the path of travel of energy and…

Q: a major volcanic eruption ejects millions of tonnes of ash into the atmosphere. explain how this…

A: Volcanoes that have not emitted for quite a while are lethargic, and volcanoes that have not ejected…

Q: The first trophic level always consists of a secondary consumers. b tertiary consumers. c producers.…

A: Organisms occupy a place in the natural surroundings aur in a community according to their feeding…

Q: Which trophic level in an aquatic ecosystem would contain the greatest amount of usable energy?

A: Primary producers located 80 meters below sea level.

Q: Study the diagram below (figure1): Desert food web Hawks Desert foxes Scorpions Snakes Large lizards…

A: Introduction: A food chain is the sequence of biological community (an ecosystem) to obtain…

Q: In this food chain case, there are six trophic levels. Which of the following sequences lists the…

A: Phytoplankton : These are the microscopic plants found in both saline and freshwater ecosystems and…

Q: Based on the food chain shown below, how can unregulated collection of shark fins used in shark fin…

A: Introduction : Food chain is an important event in the ecosystem whereby one organism is eaten by…

Q: The process of certain elements through different trophic levels is also called    A. food chain  B.…

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

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: Based on the marine biologists research journal entries identify a primary producer a primary…

A: Individuals in the community interact with each other and the non-living components of their…

Q: how can unregulated collection of shark fins used in shark fin soup cause the collapse of a coral…

A: The among the most diverse type of ecosystem in the world , coral reef ecosystem is one of them. The…

Q: An estimated 1000 kg of plant plankton are needed to produce 100 kg of animal plankton. The animal…

A: Biomass is the amount of living metal present in an ecosystem at a given time.

Q: This trophic level includes the herbivores primary producer tertiary consumer secondary consumer…

A: The position of an organism in a food web is determined by its trophic level. A food chain is a…

Q: . Why is the number of trophic levels in an ecosystem limited?

A: Introduction The number of trophic levels in every ecosystem can reach a maximum of five, in which…

Q: All the organisms that occur in a community dominated by birch trees... Group of choice   Are part…

A: Ecology is the branch of science that deals with the interactions of living organisms among…

Q: According to the principle of competitive exclusion, what outcome is expected when two species with…

A: The two competitors have a slight advantage over the other and leads to the extinction of the second…

Q: What is the principle that teaches us that two species cannot coexist in the exact same niche in the…

A: -The principle which teaches us that two species cannot co-exist in the exact same niche and in the…

Q: Competitive exclusion occurs under the following conditions:  a. when fundamental niches overlap…

A: Introduction Niche is defined as the relationship between a species and its associated environment…

Q: Energy transferred from one trophic level to the next in an ecosystem is measured in calories,…

A: Energy transfer Energy is not entirely transferred from one trophic level to an other in as…

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

A: In ecosystems, living organisms are linked together by feeding relationships. Producers or…

Q: The term gross primary productivity refers to the:    Question 12 options:   Rate at which the…

A: Productivity is rate of production of biomass in the ecosystem which can be expressed in units of…

Q: At which trophic level would you expect to find the highest concentration of a biomagnifying toxin?

A: The trophic level of a life form is the position it occupies in a food web. A natural way of life is…

Q: When hunting disrupts the balance in the food chain by removing all owls, there will be no predators…

A: Energy is transferred from one organism to another organism through the food chain.  The primary…

Q: Which factor most directly limits the variety of herbivores living in an area? a) amount of nitrogen…

A: Limiting factor:- It is the factor that limits the reaction rate in any physiological process…

Q: Name the trophic level occupied by secondary consumers & tertiary consumers?

A: The trophic level refers to the position in which an organism occupies in a food chain. At every…

Q: Draw a food chain showing the relationships between these organisms, indicating the direction of the…

A: Food chain, in the field of ecology is defined as the sequence of matter and energy transfer in the…

Q: Why do consumers in the desert tend to be generalists and manifest opportunistic feeding strategies?

A: Observing dietary adeptness in herbivores has theoretical and practical inferences, still defining…

Q: Create a food web for one of the following ecosystems and identify: • Producers (first trophic…

A: A food web is a graphical depiction of what eats what in an ecological community and the natural…

Q: A given ecosystem has the following amounts of energy available at each trophic level: Primary…

A: Lindeman introduced the 10% law where he states that only 10% of energy is transferred from one…

Q: At which point in the trophic pyramid is the greatest arount (not percentage) of energy lost? A)…

A: The trophic pyramid can be described as a structural distribution of biological communities, which…

Q: What would happen to an ecosystem if (a) all its decomposers and detritus feeders were eliminated,…

A: A ecosystem is a network of living life forms related to the nonliving segments of their condition,…

Q: What is ‘trophic cascade’ and The role of the predator in the ecosystem?

A: An ecosystem is defined as a community of life forms ( biotic components)  in concurrence with non…

Q: Assume the following strict trophic chain: mountain lions eat deer; deer eat black oak seedlings;…

A: The two main components of nature and abiotic and biotic components. The environment constitutes the…

Communities and Ecosystems

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