2. Content Standard 6.2 Responses to external stimuli can result from interactions with the organism's own species and others, as well as environmental changes; these responses either can be innate (in-born) or learned. Broad patterns of behavior exhibited by animals have changed over time to ensure reproductive success.

7. Learned Behaviors

8. Intelligence - 19 min

9. In-born Behaviors

11. A period of winter inactivity

12. Hibernate - 8 min

13. What this guy does if his pond dries up in the summer.

15. Why do animals migrate?

16. Animals migrate because of weather, food, or water.

17. Migration - 7 min

18. Birds use migration clues such as the sun & stars, mountains, and changes in the earth’s magnetic field.

24. Monarchs - 15 min

26. Animal Communication - 16 min

30. Each animal species has certain behaviors that are related to mating.

48. Beetles - 3 min

50. Squids - 2 min

52. Amphibians - 4 min

54. Ospreys - 5 min

56. Rhinos - 3 min

58. Nesting - 2 min

59. Precocial birds lay many eggs and incubate them for a long time. The young are active as soon as they hatch. precocial altricial

61. Altricial birds lay few eggs and incubate them for a short time. The young are helpless when they hatch. precocial altricial

79. Parenting - 8 min

88. Predation refers to the relationship between a predator and its prey. Prey Predator Predator’s predator

89. Predation - 9 min

93. North American Cats - 10 min

95. Polar Bears - 1 min

97. Snakes - 2 min

99. Forked Tongues - 7 min

101. Bullfrogs - 2 min

103. Birds of Prey - 5 min

104. Eagles & DDT - 3 min

106. Bioluminescence - 2 min

107. Egg-layers Pouched Placental

108. Mammals - 4 min

109. Oviparous Viviparous

110. 2 species 350 species 95% of all mammals

111. Vertebrate Embryos

112. Nose Mouth & Jaws Heart Ear Stomach and Small Intestine Large Intestine Umbilical Cord Future Vertebrae Arteries Veins General Embryo Anatomy Brain

113. Reptiles Birds Monotremes

114. Platypus DANGER Poison

115. Platypus and Echidna lay eggs and produce milk

116. Platypus - 5 min

117. Echidna - 5 min

120. Although marsupials are viviparous, (give birth to live young), the young are born VERY prematurely.

121. Kangaroos - 10 min

122. 95% of all Mammals

123. The period of time between fertilization and birth

124. Animal Gestation (Days)Animal Gestation (Days) Opossum 12Grizzly Bear 220 Mouse 19Cow 284 Rabbit 31Horse 330 Eagle 44Whale 360 Dog 61Giraffe 425 Cat 63Rhino 540 Pig 112Asian Elephant 645 Goat 151 Deer 201

125. What is the gestation period of a human?

126. 280 days