WHAT IF? Based on MacArthur and Wilson’s islandequilibrium model, how would you expect the richness ofbirds on islands to compare with the richness of snakesand lizards? Explain.

Q: Q4. If four different snake species with identical food and habitat niches colonize an island at the…

A: Q4. (b) The species best able to detect and find food will outcompete the other snakes; it will…

Q: After plantd and animals, will human be the next extinct?

A: Plants and animal plays very important role in human life.

Q: A population of 2000 nudibranchs on a coral reef experiences 800 births and 750 deaths. What is r…

A: Intrinsic rate of natural increase is defined as the the actual increase or decrease in the size of…

Q: Q6.9. Consider the following hypothetical scenario: An ancestral species of duck had a varied diet…

A: Introduction:-  The ancestral ducks used to live both in land and water as they used to get food…

Q: 1. What are the 4 examples of social behaviour among species according to Herron and freeman (2015).…

A: Interactions having a direct effect between populations of species in a community are broadly…

Q: How do you think your daily habits might contribute directly or indirectly to the extinction of some…

A: Introduction  At presently there are around 11000 known bird species present on the earth out of…

Q: How will vertebrates (or animals in general) can solvethecurrentissues of climate change and species…

A: Vertebrates: Vertebrates, or vertebrae, are organisms that have an internal backbone that is encased…

Q: Caughly’sresearch on the distribution of three different species of Australian kangaroos(Macropus…

A: Species refers to group of organisms that can interbreed among themselves to give rise to fertile…

Q: A follow-up study indicated that the effect of environmental stochasticity on extinction risk was…

A: Environmental stochasticity refers to unpredictable spatio-temporal fluctuation in  environmental…

Q: Question:- Give clear examples of both direct and indirect species interactions.

A: There are a vast number of interactions between species. Some interactions are direct but many more…

Q: Part A: Biodiversity III: Diversity of Animals Answer the following questions. 1 What are the key…

A: Biodiversity is important for an ecosystem to work properly. Proper functioning of ecosystem leads…

Q: A > B В Based on your knowledge of energy flow through a system and the questions you just answered,…

A: In a terrestrial ecosystem, the relative abundance of the organisms at different trophic levels…

Q: wever, on smaller islands not far from the mainland, many more species of kingfishers exist, and ea…

A: Model A is correct.

Q: II. An original population of finches on Daphne Island is polymorphic when it comes to beak sizes.…

A: The normal distribution graph of the natural selection is bell-shaped. It is studied under the…

Q: Describe the realized niches for the two species of barnaclesused in Connell’s experiment

A: The niche differs from the habitat as habitat is a place while niche is a pattern of living. In…

Q: probability of extinction due to stochastic processes vary with population size in the California…

A: Demographic stochasticity is present in the events in the population which are random as well as…

Q: Low population size is probably the single best predictor of extinction risk. Why are small…

A: Extinction is the removal of a kind of species or an organism.Extinction involves the death of last…

Q: MacArthur and Wilson found as distance from New Guinea ________ the number of bird species on…

A: Island biogeography theory  This theory tell us about the rate of extinction of an organism which…

Q: Why would increasing vegetation heterogeneity lead to increased species richness in birds?

A: Vegetation heterogeneity is referred to as the variety of vegetation at a wide range. This means…

Q: Q7. In a community with 200 species, under which conditions would Simpson's diversity index have the…

A: A. 10 species have very large populations, and 190 species are present but with very small…

Q: Analyze if the following pairs of statements are correct.   Choose: A, if both statements are…

A: Biodiversity refers to the variety of species that are present in a particular geographical habitat…

Q: 1. From the animals in the figure, which species could have a positive indirect effect on the…

A: Food web - It's a web in which there is natural interconnection of many food chains and it…

Q: Studying the diversity of month species in two forests calculates H' = 1.6 for forest 1 and H' = 1.1…

A: The Earth is inhabited by a variety of organisms. All organisms are classified into different phylum…

Q: What is an evolutionary arms race? Predator and prey compete over the sameresource the prey's body…

A: Introduction :- Evolution is defined as the descent with modifications . This is a gradual and…

Q: Examine your environment or near local ecosystem and look for the species having variations in…

A: Natural selection is the concept described by Charles Darwin to explain the theory of evolution. The…

Q: WHAT IF? Consider two species that diverged whilegeographically separated but resumed contact…

A: Species refers to group of organisms that can interbreed among themselves to give rise to fertile…

Q: How munch bigger is feral cat compare to main coon cat? Are they really big as bobcat? If main coins…

A: A feral cat or a stray cat is an un-owned domestic cat that lives outdoors and avoids human contact:…

Q: Provide a detailed summary of spatial distribution of the Congo lion . Also include the distribution…

A: Congo Lions are also an endangered species and the reason is loss of their habitat. Their numbers…

Q: Define and distinguish among native, nonnative, indicator, and keystone species and give an example…

A: Native species are those that live in a specific habitat. Nonnative species can be invasive or…

Q: -. How and wWhy could groups of species on islands could be described as lacking harmony?

A: In a geographical area or period, biota represents a comprehensive set of species from geographic…

Q: Levins-style metapopulation model did not accurately reflect the dynamics of a stream fish…

A: In a landscape of linked patches, metapopulation models explain the colonisation and extinction of…

Q: WHAT IF? Is allopatric speciation more likely to occuron an island close to a mainland or on a more…

A: Speciation means emerging a species from the existing one. There must be a population due to some…

Q: The figure below shows the beak size of three pairs of bird species that occur both allopatrically…

A: Character displacement in this case is the phenomenon where one species A when grown in absence of…

Q: Q3.3. Which of the following do you predict will occur as a DIRECT effect of predation by Green…

A: Introduction:Green crab:Green crab or carcinus maenas is considered  as one of the powerful or…

Q: Question: What are the major mechanisms maintaining reproductive isolation between populations?

A: Reproduction can serve two distinct purposes. The two distinct purposes of reproduction are…

Q: Which of the following statement(s) is/are true? Select the best overall answer. a. Kenward et al.…

A: The first option is also a true statement. The paper does talk about the presence of three floaters…

Q: 4. Respond to this tweet on the right using mathematical evidence from the Lotka-Volterra model of…

A: The Lotka–Volterra model is widely employed to represent the behavior of ecosystems involving two…

Q: MAke ConneCtIonS Suppose that a sudden changein environmental conditions caused a substantial dropin…

A: Carrying capacity is the population size or population density of particular species that a habitat…

Q: Provide a detailed summary of spatial distribution of the asian elephant . Also include the…

A: Spatial distribution means the distribution of the population due to dispersion.   Organisms are…

Q: How do predator populations "mold" prey populations? Support your answer with evidence from your…

A: A predator is an organism that eats another organism, and prey is the organism that is the food for…

Q: Hypothesize why a dry and unpredictable habitat favors r-selected species. Support your hypothesis…

A: In ecology, life history strategies have two categories: R-selection and K-selection. R selection…

Q: Identify at least 4 different cause that are used by migratory animals to find their way during…

A: Animals migrate from one place to another place and are usually a long distance travel on seasonal…

Q: a. Based on the number of surviving individuals and the survival rate of individuals in each…

A: Survivorship Curve This type of curve depicts the individuals of a given specific population that…

Q: WHAT IF? In the deserts of New Mexico, the soils aremostly sandy, with occasional regions of black…

A: Natural selection is a phenomenon in which the organisms having a selective advantage have a higher…

Q: Question: The island equilibrium model predicts that an island near to other land masses will be…

A: Answer- Species interaction is one of the major criteria of adaptation of a specific species to a…

Q: WHAT IF? Suppose that an invertebrate species waslost in a mass extinction caused by a sudden…

A: Fossilization is the process of an animal or plant or its part becoming preserved in a hard,…

Q: The ecological niches of three bird species are shown in the diagrar below. What is the advantage of…

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

Q: Guilds describe? A). Species that partition the same resource B). Species which compete for the…

A: Answer:  Guilds, is defined as a collection of species that use the identical form os assets in…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.