Test your knowledge about the structural differences between the somatic motor nervous system and the autonomic nervous system. 1. preganglionic axons are myelinated; postganglionic axons are unmyelinated. 2. uses only one neuron to reach target 3. requires two neurons to reach target 4. only one synapse between the neuron and the target 5. conscious and unconscious regulation of skeletal muscle 6. unconscious regulation of smooth muscles, cardiac muscles, and glands

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

Albinism is an autosomal recessive condition. which circle graph above shows the genotype probability when an albino female mates with a male that is heterozygous for the albinism trait? answer choice f answer choice g answer choice h answer choice j

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.