How would self-sacrifice of male redback spiders be an adaptive behaviour?Select one:a.When males meet a female and self-sacrifice, it activates enzymes that makehis sperm more fit and able to fertilize more eggs.b. Males are able to mate with one female, then mate with another femalenearby, before being devoured by the first female.C.Males only use self-sacrificing behaviour once they have mated with severalfemales and have exhausted their sperm supplies.d. The chance of a male meeting more than one female is quite low; self-sacrificemaximizes mating time with and sperm transfer to any female the male finds.

(a) Enzyme activation:explanationIncorrect self-sacrifice is not linked to activated enzymes for…

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How would self-sacrifice of male redback spiders be an adaptive behaviour?

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter39: Animal Behavior

Section: Chapter Questions

Problem 10SA

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Concept explainers

Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more suited to its environment.

Question

How would self-sacrifice of male redback spiders be an adaptive behaviour?
Select one:
a.
When males meet a female and self-sacrifice, it activates enzymes that make
his sperm more fit and able to fertilize more eggs.
b. Males are able to mate with one female, then mate with another female
nearby, before being devoured by the first female.
C.
Males only use self-sacrificing behaviour once they have mated with several
females and have exhausted their sperm supplies.
d. The chance of a male meeting more than one female is quite low; self-sacrifice
maximizes mating time with and sperm transfer to any female the male finds.

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