3 6 -- Question 2 (1 point) Listen Mammals are different from birds in all these characteristics EXCEPT 9 n hair constant body temperature mammary glands young born oviparous
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Question 4 (10 points) Which of the following is not a characteristic of Class Mammalia? a. They have hair or fur at some point during development. b. They are warm-blooded. c. They breathe air. d. They give live birth. e. The females of each species have mammary glands.
Adi S.
You are a budding paleontologist and have found a fossil that is either a mammal or reptile. What would you do in order to figure out which you are looking at? - Look for evidence of milk-producing glands. - Look for a 4-chambered heart and diaphragm. - Look for evidence of a placenta. - Use molecular tests to look for keratin. - Examine its teeth. For birds, being lightweight for efficient flight is important. One way that birds reduce their weight is by females laying eggs. How could a female bat also realize this goal? - Lay shelled eggs. - Limit broods to a single embryo. - Refrain from flying throughout pregnancy. - Give birth to underdeveloped young and subsequently carry them in a pouch that has teats. - Feed multiple embryos internally using placentas.
Marisa A.
You find an endothermic animal with a four-chambered heart that produces uric acid as a waste product. You might reasonably expect this animal: a. Breathes using gills b. Has the ability to fly c. Gives birth to live young d. Can produce milk e. Undergoes metamorphosis
Marlyn J.
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