Tetrapoda (node 6 in Figure 1-4) is a crown group, whereas Tetrapodomorpha is the corresponding stem group. What organisms are included in Tetrapoda? In Tetrapodomorpha?
What will be an ideal response?
Tetrapoda (tetrapods) includes the living vertebrates with limbs. Tetrapodomorpha includes tetrapods and all those (now extinct) fish that are closer to tetrapods than they are to lungfishes.
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The general types of cells that make up the nervous system are __________ and _______.
Fill in the blank(s) with correct word.
In subjects with type 2 (non-insulin-dependent) diabetes mellitus, which of these occurs?
A. Pancreatic beta cell responses to increased plasma glucose concentration are normal. B. Target tissues respond poorly to insulin. C. Hypoglycemia is typically the first symptom. D. Severe ketoacidosis is common.
Most of the joints between the short bones in the ankle and wrist are
A. pivot joints. B. plane joints. C. condylar joints. D. hinge joints.
Copper is essential for producing melanin and myelin
Indicate whether the statement is true or false