Just before sperm addition, sea urchin eggs are microinjected with a calcium chelator. What event will most likely not takes place after fertilization?

#Question id: 3449

#SCPH28 | Zoology

Female spotted sandpipers aggressively court males and, after mating, leave the clutch of young for the male to incubate. This sequence may be repeated several times with different males until no available males remain, forcing the female to incubate her last clutch. Which of the following terms best describes this behavior?

#Question id: 3450

#SCPH06 I Botany

This behavior, in which individual members of a species maintain exclusive use of an area that contains some limiting resource, such as foraging ground, food, or potential mates, is called

#Question id: 3450

#SCPH28 | Zoology

This behavior, in which individual members of a species maintain exclusive use of an area that contains some limiting resource, such as foraging ground, food, or potential mates, is called

#Question id: 3451

#SCPH06 I Botany

Individual A can derive fitness benefit of 220 units by helping Individual B, but incurs a fitness cost of 50 units in doing so following Hamilton’s rule, which of the following relation is not apply for altruism?

#Question id: 3451

#SCPH28 | Zoology

Individual A can derive fitness benefit of 220 units by helping Individual B, but incurs a fitness cost of 50 units in doing so following Hamilton’s rule, which of the following relation is not apply for altruism?

#Question id: 3452

#SCPH06 I Botany

Which of the following is advantage of group living?