'Copulation' diaporamas de présentation

Initiating Reproduction: Photoperiod

4. Initiating Reproduction: Photoperiod. Gonads enlarge when artificial day > 10 hrs. Initiating Reproduction: Air Temperature. Cold snap early in breeding season delays nesting. Egg laid when temp -30 o F. Sperm production reduced at lower temperatures.

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Biopsychology of Sex Behavior

Biopsychology of Sex Behavior. Lecture 2: The Sexual Brain LeVay, Ch. 5-9. Chapter 5. The hypothalamus is located above pituitary (master gland), below thalamus, behind optic chiasm, in front of mammillary bodies, at base of brain

724 views • 26 slides

LIFE HISTORY STRATEGY

LIFE HISTORY STRATEGY. Life History Strategy A suite of traits that improve an individual's chances of surviving and reproducing in a particular environment. COST/BENEFIT ANALYSIS. Energy commited to one function is not available for others.

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Reproductive System

178 views • 10 slides