Answered: K-selected reproductive strategies are…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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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 guppies

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Step 1

Carrying capacity (K):

The number of individuals of particular species that a particular environment can support is defined as carrying capacity (K).
It is not fixed but varies over space and time with the abundance of limiting resources.
It is determined by various factors like predation, competition, and climatic conditions.

Guppies occupy pools separated by waterfalls. In the pool predators are present.

K-selected reproductive strategies are favored when adult survival is high, and populations are close to their carrying capacities. In guppies, there is a high mortality rate in a high predation environment. So, the growth of the population will slow as it reaches carrying capacity for the environment

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