Darwin’s evolutionary theory - Common descent

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#Id: 8426

#XL - T Zoology

Senescence - A gradual decrease in fecundity and an increase in the probability of mortality.

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#Id: 8427

#XL - T Zoology

Principle of allocation - The observation that when resources are devoted to one body structure, physiological function, or behavior, they cannot be allotted to another. 

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#Id: 8428

#XL - T Zoology

Natural selection will favor those individuals that allocate their resources in a way that achieves maximum fitness.

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#Id: 8429

#XL - T Zoology

Trade off - A giving up of one thing in return for another.

Causes of trade off

More mortality in their offspring 

Limitation of food

TLS Online TPP Program

#Id: 8430

#XL - T Zoology

1. OFFSPRING NUMBER VERSUS OFFSPRING SIZE

2. OFFSPRING NUMBER VERSUS PARENTAL CARE

3. FECUNDITY AND PARENTAL CARE VERSUS PARENTAL SURVIVAL

TLS Online TPP Program

#Id: 8431

#XL - T Zoology