Rhythms that are repeated every 24 hours are
a. sleep movements.
b. tropisms.
c. physiological requirements.
d. circadian rhythms.
e. biological clocks
D
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Contrast Mendel's model of heredity with the blending model. Which one is a better description of the way traits are passed from one generation to the next?
What will be an ideal response?
The muscles of respiration are
A) smooth muscle, innervated by the somatic nervous system. B) smooth muscle, innervated by the autonomic nervous system. C) smooth muscle, without innervation. D) skeletal muscle, innervated by the somatic nervous system. E) skeletal muscle, innervated by the autonomic nervous system.
Which of the following fully explains the concept of humanity's ecological footprint?
A. the total amount of land and water required to support the occupation, consumption, and waste production of the global population B. the amount of land occupied by people, buildings, and structures C. the amount of energy and water used in household consumption D. the amount of land needed to feed the global population E. the amount of land required to support the consumption and waste production of the global population
©McGraw-Hill EducationBased on the phylogeny shown, the outgroup would be species
A. 1. B. 2. C. 3. D. 4. E. 5.