The trophic pyramid has very few large predators at the top and increasing numbers of creatures as you go to lower levels of the food chain. Why is that?  If there are lots of prey animals in a system why aren’t there just as many predators?

Q: The length of a food chain is limited by the efficiency of the energy transfer along the chain.…

A: A food chain is defined as the linear network of links or associations in a food web that will start…

Q: Which of the following statements about biotic potential is TRUE? Biotic potential of an organism…

A: Introduction Biotic potential:- It is the ability of a population of living species to increase…

Q: organisms listed in a way that shows which is a food source for another is called ______while…

A: Organisms of different species can interact in many ways.They can compete,or they can be symbionts-…

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: According to optimal foraging theory... organisms will have a tendency to select the smallest prey…

A: Optimal Foraging theory is a behavioural model of ecology which helps to predict the animal…

Q: Which of the following accurately describes a trophic cascade? O a Sunflower stars are the primary…

A: Trophic cascade is the phenomenon of suppressor of a trophic level (species).When the numbers of one…

Q: Which of the following best explains why terrestrial trophic pyramids usually do not have levels…

A: Food chain  It is the way in which energy and matter is transferred as food from one tropic level to…

Q: Look at figure 1 in the passage. Which of the following relationships is BEST shown by the data? The…

A: Adelies Penguin species is found along the coast of Antarctica continent. They are adapted for…

Q: Zebra mussels were introduced into the Great Lakes inadvertently from the ballast water of a…

A: A zebra mussel filters water in and out of its body. It keeps the nutrients it needs and discards…

Q: Imagine you were the manager of a national park with cheetahs. The cheetahs feed primarily on…

A: From the above-given question, it is clear that cheetahs are dependent on gazelles for their food…

Q: Look at the image below of a hypothetical trophic relationship from the late Cretaceous of North…

A: In an ecosystem, the food web is a vital portion that introduces us to the primary, secondary…

Q: The approximate 10% ecological efficiency from one trophic level to the next limits the number of…

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

Q: A black bear normally eats many different types of food. When the black bear eats berries, what…

A: The trophic level in a food chain is the level at which an organism may be found. As each level is…

Q: No. No. of units No. No. No. units Мean no. individua received units units remaining & passed on to…

A: Organisms occupy a place in the natural surrounding or in a community according to their feeding…

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: Imagine the environment of an ecosystem changes such that it floods more often. Which species would…

A: Species that can adapt to the new changing environment can only survive and will be naturally…

Q: What percent of the energy stored at one trophic level is stored at the next trophic level? О 10% O…

A: The transferring of energy in the ecosystem can be studied by observing and analysing the energy…

Q: Which statement best describe a trophic level?    Question 2 options:   A way to classify…

A: An ecosystem is an area where plants, animals and other aspects of an environment interact to…

Q: Choose True for yes or choose false for no for each statement 1) Gray whales may experience a shift…

A: 1) true  2) false

Q: In exploitative interactions, one species gains a fitness advantage at the cost of another species.…

A: Ans: Option D : A dragonfly kills and eats a beetle.

Q: The image below shows a watering hole in the African savannah. There are several different species…

A: An ecosystem is important because it conveys one of the key insights that we have gained from…

Q: More effective fishing methods represent a technological solution to the problem of obtaining food…

A: Fishing methods : These are methods to catch fish . In includes techniques hand gathering, spear…

Q: If the predator population decreases in a top-down trophic cascade, what happens to the other…

A: A trophic cascade in which the top consumer/predator dominates the primary consumer population is…

Q: Using the African Savannah food web below, describe what would happen to various animals and plants…

A: The African savannah food web characterized by grasses and little or spread trees, in conjunction…

Q: The number of trophic levels an ecosystem can support is driven by... (select all that apply) The…

A: Ecosystem refers to the geographic area where a community of biotic and abiotic components interact…

Q: An ecologist studying the availability of nutrients and the distribution of the plants that live in…

A: Ecology is a branch of science that deals with the interactions between biotic and abiotic factors.…

Q: A niche is loosely defined as an organism's role in its environment, which can include factors such…

A: The way in which a species interacts with all of the biotic and abiotic elements that can have an…

Q: ents a herd of cows in a farm. It should include the following: primary, secondary, tertiary…

A: The order of events in an ecosystem where one living organism eats another organism and that…

Q: Draw a trophic pyramid using the animals in the Chesapeake Bay ecosystem. Include the percentage of…

A: Food web It refers to the natural interconnection of food chains and represents what organisms…

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: You're studying two lakes in neighboring valleys in the Cascades. One lake has a food web with three…

A: A food web is a thorough representation of the species within a community and their interactions…

Q: Why are food chains relatively short? O Not enough energy is transferred from one trophic level to…

A: Food chain is defined as the series of organisms on which one organism feeds on below level…

Q: Type Eats … Examples Herbivore Carnivore Omnivore Food Web is a bunch of overlapping _________…

A: A food web is a graphical representation of whats- eats- what in an ecological community . A food…

Q: clors that influence the reproductive success of the lions that inhabit the shrublands of the…

A: Answer: The level of ecological organisation the biologist studying is community.

Q: The overexploitation of cod in the North Atlantic releases crab and shrimp from predation pressure…

A: When there is a change in one trophic level in a food web, this results in changes in other trophic…

Q: The trophic pyramid has very few large predators at the top and increasing numbers of creatures as…

A: An energy pyramid, also known as the trophic or ecological pyramid, is a graphical illustration of…

Q: the level to the parts of the hain. Decomposer herbivore/primary D A food chain shows the flow of…

A: Introduction : A food chain is a linear sequence if organisms representing producer to top consumer…

Q: In a food web, the numbers of each organism typically exist in a relatively stable proportion. If an…

A: Trophic level is the position of the organism in a food web. A food web describes which organisms…

Q: In a forest experiment, in one plot there is a total of 100 kJ of energy in the plants. An insect…

A: Deer consume 80kJ energy from plants. We have to find tropic energy so It is the percentage of…

Q: Which of the following might you expect if you increase the amount of energy (and nutrients) into an…

A: In the ecosystem, different species interact with each other and they form a community. The energy…

Q: What type is refer to many feeding relationship that are possible in an ecosystem

A: All the living organisms living in an ecosystem are dependent on each other. This interdependence is…

Q: In a food web, two different species can directly affect each other’s abundance via _ competition or…

A: In a food web, two different species can directly affect each other’s abundance via interspecific…

Q: What limits the length of food chains? can choose more than one answer Group of answer choices The…

A: * Food chain ain is the  network of links in a food web  from producers to higher consumers and then…

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: Read the article on the impact of Phenological Changes on Trophic Dynamics. 2. Why is this mismatch…

A: Introduction :- Phenology is the study of annually recurring life cycle events such as the timing of…

Q: Herbivory is beneficial for the animal (+) but harmful to the plant it eats (−). What are some + −…

A: There can be a number of different two-way interactions between various animal populations which…

Q: Think about the amount of energy at each trophic level. Would you expect to see a food chain with 10…

A: The flow of energy begins in an ecosystem in a unidirectional way which forms a network called food…

Communities and Ecosystems

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