How does "guaranteeing" the survival of some reproductive-age individuals through a bottleneck change the effect of that bottleneck? Or does it?
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How does "guaranteeing" the survival of some reproductive-age individuals through a bottleneck change the effect of that bottleneck? Or does it?
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- Under what conditions should natural selection favor production of many offspring versus the production of a few well-provisioned offspring?What are some reproductive changes that may be adaptive in the face of parasitism? Why may males have higher rates of mortality due to parasites than females?What is the difference between prezygotic and postzygotic reproductive isolating mechanisms? List some different types of each.
- What are indirect fitness benefits of siblicide? When would an individual gain more from siblicide than from inclusive fitness benefits? When might it be worth it for a subordinate to fight to the death with its dominant sibling?What are three aspects of your lifestyle that mightdirectly or indirectly contribute to decline in European honeybee populations and the endangerment ofother pollinator species?What would a study of both monozygotictwins raised together and monozygotictwins raised apart tell you about environmentalinfluences?
- For which reasons do the Prarie chicken and snake weed grasshopper population grow?K-selected reproductive strategies are favoured when adult survival is high, and populations are close to their carrying capacities. Explain the role of allocation in the evolution of such strategies in guppiesIn populations subjected to high levels of predation a. individuals should invest little in reproduction so as to maximize their survival. b. individuals should produce few offspring and invest little in any of them. c. individuals should invest greatly in reproduction because their chance of surviving to another breeding season is low. d. individuals should stop reproducing altogether.