Which variable should they calculate to compare the diversity of the two communities of invertebrates? The carrying capacity of the river   The net reproductive rate   The Shannon Index   The gross primary productivity of the river   The instantaneous rate of growth

Q: The figure above shows main abiotic and biotic factors influencing the physiology and behavior of…

A: Based on the proposed changes described in question 1, where the entrance and main channel of an…

Q: Which of the following measures the relative abundance of species in a community?

A: Species evenness is the species abundance. Species diversity is the number of species present in a…

Q: Mark Recapture can be written as M N = R Define each term. Use this equation to answer the following…

A: Introduction  A population is the total number of people who live in the same area. The population…

Q: The following picture represents mussels, goose barnacles, sea stars, anemones, etc. competing over…

A: To fill in the blanks correctly, we need to understand the definitions of the different types of…

Q: What is a benefit of uniform dispersion?         decreased competition…

A: Uniform dispersion, also known as uniform distribution, refers to a pattern of distribution where…

Q: What is one advantage of dam and reservoir systems? Dams and reservoirs disrupt migration of some…

A: Dam and reservoir is the man made structure mainly  construct for  the  holding large amount of…

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: Which of the following is the smallest artificial ecosystem that has sustained for a long period?…

A: An artificial system could be a human created system of plants, animals, and other people living in…

Q: How do I graph this?

A: Ecosystems and environmental conditions for life to survive are important aspects of ecology. These…

Q: A realized niche describes the conditions of the environment in which a species is 
actually found,…

A: The abiotic and biotic factors needed by a species to develop, reproduce, and survive are known as…

Q: How should we compare the values of free-flowing rivers and natural ecosystems with the benefits of…

A: Hydropower is generation of electricity from the water bodies like damns, lakes, rivers. Water…

Q: Which of the following events would decrease competition for resources in an ecosystem? a disease…

A: The structural and practical unit of ecology is the environment. It is characterized as the…

Q: Which of the following measures only the total number of species in a community? Species Richness O…

A: Species diversity is resolved not just by the quantity of species inside a natural community, that…

Q: A student decided to collect data to see if he could find support for the IDH in a grassland…

A: Intermediate disturbance hypothesis is a debated theory in the ecology. The evidence supporting…

Q: manatees are shallow water herbivores that face increasing threats. Use your know knowledge of…

A: Manatees are enormous, entirely aquatic, primarily herbivorous marine animals also referred to as…

Q: The moray eel and cleaner wrasse story at the beginning of the chapter is an example of which type…

A: The organisms live in close contact with each other and may form relations each other regarding…

Q: The authors of the article state that the physical and chemical environment of marine habitats can…

A: This question is about studying how the physical and chemical conditions of the ocean affect…

Q: Why are models useful to understand ecological systems? Group of answer choices They allow for…

A: Ecological systems have a group of species/organisms and form an interaction among themselves as…

Q: Imagine a community of organisms in a forest is affected by a chemical spill that leads to a fire.…

A: The number of species in a given field is referred to as its species richness. The number of…

Q: Suppose that researchers wanted to examine the combined effects of an introduced predator (a trout)…

A: The effect of the parasites and the introduced species on the native species is observed in the…

Q: Which of the following is a conclusion drawn by the authors from the results of this study?…

A: The question is based on a study examining the responses of intertidal invertebrates to rising sea…

Q: Which of the following statements best represents the productivityhypothesis regarding species…

A: Species richness defines the number of species present in the community and it gives the measurement…

Q: In the lake the biomass of plankton decreased from 65000 to 50000 kg. As a result the biomass of the…

A: In the food chain, one organism eats another. The first trophic level is of producers which include…

Q: Read the abstract from the scientific journal article: Helfield, JM and RJ Naiman. 2001. Effects of…

A: The phrase "Effects of salmon-derived nitrogen on riparian forest growth and implications for stream…

Q: Look at this hypothetical data set from 2000-2002. Imagine it is from a river in Michigan and it…

A: Need to find which of the following much the pulse disturbance is happened from  the options given

Q: Since 1972, Dr. Jim Estes had been studying a food chain of kelp -> urchins -> sea otters, and then…

A: The sequential transfer of energy and nutrients in the form of food from one organism to another is…

Q: Which of the following best describes bycatch? a. dividing catch of marine life among fishing boats…

A: Bycatch is unintentional catching of non target fisheries. They can also be a wrong sex, undersized,…

Q: Pond A Pond B Pond C Figure 3. Representation of three experimental ponds located in the Hagen…

A: The phenomena named character displacement in which distinctions between related species whose…

Q: According to the resource-ratio hypothesis (a.k.a. R-star), what factor(s) will determine the…

A: The R* rule also known as the resource-ratio hypothesis is a community ecology hypothesis that seeks…

Q: Which of the following are components of a species' ecological niche?

A: Ecology is the study of the relationships that exist been living organisms and their environment.…

Q: The graph shows the increase in global water consumption and the increase in the world population…

A: The graph in the picture depicts the relationship between the global water consumption and water…

Q: Which of the following organisms would you expect to be most abundant in the tall grass prairie…

A: Introduction: Most common ecosystem seen in the part of North American continent is prairies. These…

Q: he competition among individuals of the same species in the same location.   the principle that two…

A: Competitive exclusion principle was given by Gause that is why this principle is also called Gause s…

Q: You are studying primary productivity and biodiversity patterns of an ecosystem. The ecosystem is…

A: Analysis of the climatograph reveals consistent temperatures around 10°C and significant rainfall,…

Q: What is the relationship between the biodiversity of an ecosystem and the productivity of an…

A: Biodiversity refers to the variety of different species present in an ecosystem, including plants,…