5 public questions tagged with this topic.
Type I survivorship curves are seen in species with high parental care, where most individuals survive to old age, such as humans.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Population Growth - Exponential and Logistic Models
offspring survival reflects key principle in quiz on animal behavior+pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, offspring survival aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why offspring survival fits helps integrate natural selection, environment.
Ref: Alcock, Animal Behavior, Kin Selection and Social Behavior.
Males reflects key principle in quiz on mating behavior+pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Males aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why Males fits helps integrate natural selection, environment.
Ref: Alcock, Animal Behavior, 11th ed., Chapter 11: Mating Systems.
Birds reflects key principle in quiz on mating behavior+pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Birds aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why Birds fits helps integrate natural selection, environment.
Ref: Alcock, Animal Behavior, 11th ed., Chapter 11: Mating Systems.
“Type III” for the survivorship curve for species with many offspring and low parental care is. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Life-history traits reflect allocation among growth, maintenance, survival, and reproduction. Energy invested in many offspring cannot simultaneously be invested in large offspring, prolonged care, or future breeding, creating measurable trade-offs. The remaining alternatives—“Type I”, “Type II”, “Type IV”—refer to different states, processes, or scales and therefore do not express the same causal relationship. Survivorship curves summarize age-specific mortality: Type I concentrates loss late in life, Type II approximates a constant hazard, and Type III concentrates loss early. They are empirical patterns, not rigid taxonomic rules. The cited framing is therefore most useful when treated as a conditional biological claim, with assumptions about scale and environmental context kept explicit.
Ref: Campbell Biology, Urry et al., 12th Ed., Unit 8 Ecology
