Sharp and pointed molars are useful for primates to eat:   A. Leaves   B. Insects   C. Lizards   D. Fruit

Which of the following answer choices describes the pattern of nutrition used by embryos of birds? Select one: a. Placentotrophy b. Heterotrophy c. Lecithotropy d. Materotrophy

Option E is wrong, please give correct answer

Cooking likely led to which of the following changes?     a. more robust cranium and chewing musculature     b. smaller jaws and thinner tooth enamel     c. thicker tooth enamel to protect from tooth decay     d. smaller brain and larger gut

A human's arm, a cat's front leg, a dolphin's front flipper, and a bat's wing _____ a. are used in similar ways b. have similar kinds of bones c. share many similarities with insect wings and jellyfish tentacles d. have nothing in common

which of the following is true of asteroids?

1. Name the bone that forms the posterior (back) of the cranium. 2. Name the four types of teeth found in primates. 3. Which of the following bones is found in the neck? 1. Cervical vertebra 2. Sacrum 3. Lumbar vertebra 4. Thoracic vertebra 4. Which of the following bones articulates with ribs? 1. Sacrum 2. Lumbar vertebra 3. Cervical vertebra 4. Thoracic vertebra 5. How many ribs articulate directly with the sternum? How many ribs articulate with the sternum indirectly? How many ribs do not articulate with the sternum at all? 6. Name the three bones that articulate with the humerus. 7. How many phalanges are in the typical human hand? 1.8 2.14 3.15 4.5 8. Name the three fused bones that make up each os coxa.

Which of the following animals would you predict to have the lowest vitamin D3 requirement?   Select one: a. Desert lizard and forest salamander because they are both ectotherms b. Forest salamander c. Human d. Howler monkey e. Desert lizard

Mammal-like reptiles like Gorgonopsid had specialized teeth, different from the uniform peg-shaped teeth of reptiles.  True or false?

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