Question 8 What does the Lotka-Volterra model simulate? O mutualistic relationships O predator and prey populations O Leibig's law of the minimum O parasitism risk
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- Which statments are correct? Question 25 options: Species diversity tends to increase with evapostranspiration Species diversity tends to increase with when parasitism is low Species diversity tends to increase with island area Species diversity tends to be higher when disturbance frequency is low Species diversity tends to increase with decreasing latitudePLEASE HELP! Question: In Benicia High’s school garden the carrying capacity for blue belly lizards is 300. If the current population size is 280 and the rmax is calculated to be 0.42. How many lizards will be in the population after 1 year? (show work)Choose True for yes and choose false for no regarding this statement 1)In this food web diagram, humans feed upon the greatest diversity of species? True or false
- Please answer fast the population density (n) changes as a function of the current population density (n) and the current carrying capacity (k): dn/dt = g(n,k) n as always approaching the carrying capacity, with a rate of this approach that is linearly proportional to the difference between the current population density and the carrying capacity. The scale of the response, s = 0.5. dn/dt = g(n,k) = ???A forest fire is an example of regulation. density-dependent density-independent r-selected K-selectedMatch each term with its most suitable description. _____ carrying capacity a. maximum rate or increase per individual under ideal conditions _____ exponential growth b. population growth plots out as an S-shaped curve _____ biotic potential c. maximum number or individuals sustainable by the resources in a given environment _____ limiting factor d. population growth plots out as a J-shaped curve _____ logistic growth e. essential resource that restricts population growth when scarce
- looking at ecological models to describe population phenomena. , and describing the flaws of these models. If the models don’t accurately reflect reality, why do we spend so much time on them?Previous question: (Assume that for a given population of moose, the per-capita birth rate remains constant with population size. However, as the moose population size increases there is a linear increase in the probability of starvation and subsequent mortality due to intraspecific competition.) Assume that the population (from the previous question) does not experience competition from other species, nor predation. Write out the equation that would best be used to describe the change in population growth from one time interval to another.Question: The figure below shows the relative abundance (y axis) of shrubs in an ecosystem in the years following a fire (x axis). The shrubs in this ecosystem fall into two functional groups: fire recruiters and fire persisters. If fire frequency increased significantly in this ecosystem, which group would be benefited? Choose one of the option below A- Both functional groups would benefit equally B- Fire persister species C- Fire recruiter species
- A continuously growing population of alligators has a population size of 1,000 and an intrinsic rate of increase of r= 0.05 per year. Assuming that this rate of increase remains the same, about how long should it take for the population to reach 4000?(reminder: choose the correct letter. and explain why you choose it.) use the following information to answer the question. while studying a population of rats in a colony, a student recorded the change in the number of rats year by year. He found that after a few years the population size of the rats became constant. 1.) The student mentioned in his report that the rat population was showing _______________. a. exponential growth b. abnormal growth c. logistic growth d. per capita growthQuestion 1 Neutral models emphasize dispersal and chance. Question 1 options: A) True B) False Question 2 Environmental filtering reduces competition. Question 2 options: A) True B) False Question 3 If competition structures a community, then ____________. Question 3 options: A) niches should be widely separated in niche space. B) niche space should be neutral. C) the environment does not filter species. D) there is no niche overlap among species.