===================================================================
--- original.js
+++ change.js
@@ -3,8 +3,35 @@
 ****/
 // Carnivore class
 var Carnivore = Container.expand(function () {
 	var self = Container.call(this);
+	// Carnivore starvation logic
+	LK.on('tick', function () {
+		carnivores.forEach(function (carnivore, index) {
+			if (!carnivore.lastMealTime) {
+				carnivore.lastMealTime = LK.ticks;
+			}
+			if (LK.ticks - carnivore.lastMealTime > 300) {
+				// 5 seconds at 60FPS
+				carnivores.splice(index, 1);
+				carnivore.destroy();
+			}
+		});
+	});
+	// Update Carnivore eat method to reset lastMealTime on eating
+	Carnivore.prototype.eat = function () {
+		herbivores.forEach(function (herbivore, index) {
+			var dx = herbivore.x - self.x;
+			var dy = herbivore.y - self.y;
+			var distance = Math.sqrt(dx * dx + dy * dy);
+			if (distance < 50) {
+				herbivores.splice(index, 1);
+				herbivore.destroy();
+				self.speed += 0.1; // Evolve by increasing speed
+				self.lastMealTime = LK.ticks; // Reset last meal time
+			}
+		});
+	};
 	var carnivoreGraphics = self.attachAsset('carnivore', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
@@ -91,15 +118,13 @@
 			if (distance < 50) {
 				foods.splice(index, 1);
 				food.destroy();
 				self.speed += 0.05; // Evolve by increasing speed
-				if (Math.random() < self.reproductionRate) {
-					var newHerbivore = new Herbivore();
-					newHerbivore.x = self.x;
-					newHerbivore.y = self.y;
-					game.addChild(newHerbivore);
-					herbivores.push(newHerbivore);
-				}
+				var newHerbivore = new Herbivore();
+				newHerbivore.x = self.x;
+				newHerbivore.y = self.y;
+				game.addChild(newHerbivore);
+				herbivores.push(newHerbivore);
 			}
 		});
 	};
 });