In humans, structures that show developmental homology include
A. eyes and nose.
B. temporary gill slits and bony tail.
C. legs and arms.
D. lungs and stomach.
E. both eyes and nose and lungs and stomach.
B. temporary gill slits and bony tail.
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Bone mass decreases with the activity of osteoblasts.
a. true b. false
In the Golgi, what type of protein modification will signal the polypeptide destination by determining the receptor to which the peptide will bind?
What will be an ideal response?
Information about mean arterial pressure is integrated within what area of the central nervous system?
A) cervical spinal cord B) hypothalamus C) cerebellum D) medulla oblongata E) pons
Three of the four statements below are true about energy and life. Select the exception.
A. Along with nutrients, energy gets cycled throughout the environment. B. Animals and decomposers are consumers and must get their energy and nutrients indirectly. C. Nutrients in the environment get cycled between producers and consumers. D. Producers get energy and simple raw materials from environmental sources and make their own food.