Question

In: Biology

26. Explain the anatomy of the nervous system function of the sense organs. 27. Does separate...

26. Explain the anatomy of the nervous system function of the sense organs.
27. Does separate sexes in nematodes establish that they are dioecious or monoecious? Explain the meaning of the term dimorphism.
28. Compare the anatomy of the male vs. the female.
29. What does the term eutelia mean in nematodes?

Solutions

Expert Solution

26. The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control of the body and communication among its parts.

27. Nematodes employ a diversity of sexual reproductive strategies depending on the species; they may be monoecious, dioecious (separate sexes), or may reproduce asexually by parthenogenesis.

Sexual dimorphism is the condition where the two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs.

28.

Men have massive  upper body strength advantage, but women do better with our lower-body muscles.

Females generally have 40% less skeletal muscle than males on the top half; 33% less below the waist.

Differences in skeletal system

Male anatomy Female anatomy
Larger frontal bone Smaller frontal bone
Larger temporal bone Smaller temporal bone
Larger mandible Smaller mandible
Smaller pelvic inlet Larger rounded pelvic inlet
Longer long bones Shorter long bones
Decreased Q angle Increased Q angle
Ilium more flarred Ilium less flarred

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