Membranous areas in the infant skull that join bones and function to allow for rapid growth of the brain are known as ________
A) fibrous membrane
B) osteocytes
C) fontanels
D) lacunae
C
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The first cell that leads to development of a new individual forms when
A) mitosis occurs. B) meosis occurs. C) a sperm and an ovum join. D) a haploid cell and a diploid cell join.
Which of the following serve as examples of
morphological convergence? a. sharks, penguins, and porpoises b. panthers and tigers c. apes and monkeys d. sharks, skates, and rays e. mice, rats, and gerbils
ingestion
What will be an ideal response?
Some nerves are myelinated, and others are not. Myelinated nerves send signals faster than unmyelinated neurons. Draw two neurons of equal length, and wrap segments of myelin along one. Be careful to leave spaces for the nodes of Ranvier. Now, measure
the exposed axons of each, and total up the distance. Describe why the myelinated neurons send signals faster. What will be an ideal response?