Foraging Behavior - The Search for Food

Optimizing its foraging behavior

1. When the difference between the energetic benefits of food consumption  and the energetic costs of food gathering is maximized.

2. Animals with optimal foraging strategies will have more available energy with which to survive and reproduce.

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#Id: 1059

#Unit 5. Developmental Biology

Tbx stands for “T-box,” a specific DNA-binding domain.

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#Id: 1583

#Unit 5. Developmental Biology

Primitive Streak

The first morphological sign of gastrulation in amniotes

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#Id: 1584

#Unit 5. Developmental Biology

Primitive Streak; homologous to amphibian blastopore lip

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#Id: 1585

#Unit 5. Developmental Biology

Ability to initiate a primitive streak is found throughout the marginal zone.

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#Id: 1586

#Unit 5. Developmental Biology

Once the PMZ has formed, it prevent other regions of the margin from forming their own primitive streaks.

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#Id: 1587

#Unit 5. Developmental Biology

PMZ = Amphibian Nieuwkoop center