Sense organs include (the)
A) olfactory organs.
B) taste buds.
C) eye.
D) ear.
E) All of the answers are correct.
E) All of the answers are correct.
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Which list is in correct developmental order?
A. Blastocyst, embryo, zygote B. Zygote, blastocyst, embryo C. Zygote, embryo, blastocyst D. Blastocyst, zygote, embryo
The ventricle associated with the pons and upper medulla is the
A) first. B) second. C) third. D) fourth. E) lateral.
Answer the following statements true (T) or false (F)
1. The force of muscle contraction is controlled by multiple motor unit summation or recruitment. 2. Eccentric contractions are more forceful than concentric contractions. 3. A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate. 4. Peristalsis is characteristic of smooth muscle. 5. A contraction in which the muscle does not shorten but its tension increases is called isometric.
Crows are notorious nest robbers, stealing eggs from the nests of passerine birds, and they will even eat other birds if they can catch them
Adult passerines attack crows that approach their nests, darting at them and pursuing them when they fly away. What anatomical difference in the wings of passerines and crows might allow passerines to engage in such seemingly risky behavior?