6. If predators reduce prey abundance to very low levels, how might variable pre

Question

6. If predators reduce prey abundance to very low levels, how might variable predator environments affect the evolution of flexible mating strategies? 7.If a plant can improve its ability to obtain water by growing more roots, why shouldn't the plant always grow more roots? 8. How could you experimentally determine whether migrating birds use day length or temperature as an environmental cue for migration? 9. What is the relationship between correlation and causation? 10. Wh the energy obtained from each prey item, the abundance of each prey item, and the handling time of each prey item? en determining whether to feed on small, medium, or large prey, why should predators evaluate both

Explanation / Answer

6. If the environment becomes full of the predator bearing organisms, then the thing that would affect the flexible mating strategies of the organisms are the extent of predatory. There would be greater chance of mating if the strategies made by the animal bearing more kills are profitable than the ones with less kills.

7. In evolutionary psychology, there is a phenomenon which can explain the certain extents upto which a certain morphology can grown. A morphological character can be grown upto a limit where it attains its full growth and hence it is controlled by certain genes called the regulatory and hox genes. These are some of the genes which control the regulation and function of a certain morphological character. Just like that of the human ear, it cannot grow infinitely, but it will stop groing after attaining a certain limit. The same psychology is applied in the case of the plants where it is not allowed to gro roots infinitely.

8. A simple experiment or rather a fact which can answer to the question whether a bird migrates due to temperature or day length is, the bird always chooses a specific season for its migration. Also there are various diurnal migrations which takes place throughout the year. Therefore it can be said that the it certainly depends upon the temperature as an environmental cue because had they have choosen length of the day, they would have hibernated for a longer periods of time in the nights, which would not be possible if they had to make migrations twice a year.

9. Correlation is said to be the relationship between two variables which can define the measure of dependence of the one variable to that of the other. Whereas, Causation is said to be the a measure of the causality of any event. It certainly doesn't say weather a event is completely effected or caused by that specific cause, but in turn it says about a probability of that being a cause.

The relationship betweeen correlation and causality is that both of these measures the highest probability of a variable and its extent of interdependence towards the other.

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