Human Life Cycle - Anthropology

Human Life Cycle - Anthropology - Anthropology 116 Human...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Anthropology 116 – Human Life Cycle Human Life Cycle o Conception o Growth Put on bio mass in order to do what you need to do Need some sort of organization o Sexual Maturation This is a key life history event Divert time and energy away from growth into reproduction at this point o Reproduction o Senescence Your expiration date “Doubling rate of mortality” Shorter this rate the shorter your overall life span o The proximate mechanism – the thing that natural selection is acting on Conception o Variation in the ability to conceive Some human produces better than others A result of the environment, genes, etc o Between individual and between population variation o Fertilization Distance to the egg Long distance to travel for sperm (Yale to Hartford) Sperm should not make it there Vaginal environment acidity Defense against infection Any opening in your body has these defenses How is this negotiated on … Immune responses Under normal circumstances the body would reject the sperm A different set of genes inside the woman Implantation o Things that happen that allow fertilization to occur
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

Human Life Cycle - Anthropology - Anthropology 116 Human...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online