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Terms in this set (10)
Which of the following is a benefit of being an endotherm?
-The animal would not lose heat to the environment.
-The animal's constant internal temperature would allow it to tolerate environments with extreme temperatures.
-The animal would save energy by not regulating its internal temperature.
-The animal's internal temperature would change as the external temperature changed.
-The animal's daily food requirements would be independent of body size.
The animal's constant internal temperature would allow it to tolerate environments with extreme temperatures.
All peptide hormones are ________________ whereas all steroid hormones are ____________________.
the protein products of genes; derived from cholesterol
In which of the following are epithelial tissue type and location correctly matched?
-Pseudostratified columnar, walls of blood vessels
-Simple columnar, kidney tubules
-Stratified squamous, surface of skin
-Simple squamous, inside of mouth
-Cuboidal, lining of gut
Stratified squamous, surface of skin
A mammal that is hibernating is best described as a _________________________.
Which of the following is an accurate statement about the relationship between size and metabolic rate?
-There is a negative relationship between standard metabolic rate and body mass in ectotherms.
-Small animals like shrews don't need as much food per gram of body mass as large animals like elephants.
-Large animals like elephants have a lower mass-specific metabolic rate than small animals like shrews.
-Large animals like elephants need to eat a lot more than small animals like shrews because an elephant's mass-specific metabolic rate is higher than that of a shrew.
-None of these statements are accurate.
Large animals like elephants have a lower mass-specific metabolic rate than small animals like shrews.
Panting in dogs and birds is a cooling mechanism that releases heat to the environment by _________________.
The release of most hormones is controlled by signals from the ___________ to the _____________.
hypothalamus; anterior pituitary
When bound to their receptors, most steroid hormones act as ____________________.
transcription factors in the cell nucleus
Which of the following is NOT a connective tissue?
Basal metabolic rate is best defined as _____________.
the amount of energy a resting endotherm uses in a given time interval
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