What is the inguinal canal in males and how does it form during development?
What will be an ideal response?
The inguinal canal is the opening in the abdominal cavity through which the testes of a male descend into the scrotum.
You might also like to view...
Describe how syntrophy helps explain why certain enrichments yield consortia and never an individual species
What will be an ideal response?
Home gardeners who grow tomatoes are often told to pinch off auxillary buds at nodes to prevent the plants from becoming too bushy. This is applicable with most tomato species because they have growth.
A. circular B. slow C. determinate D. undefined E. indeterminate
Four of the five nerve types listed below belong to
the same group. Select the exception. a. cranial nerve b. thoracic nerve c. lumbar nerve d. cervical nerve e. sacral nerve
During development in the mother's uterus, human embryos have pharyngeal pouches (sometimes called gill slits) that later develop into various glands. Fish also have pharyngeal pouches as embryos, but these develop into gills. The best explanation for why human and fish embryos develop pharyngeal pouches is
A. fish evolved from humans. B. humans and fish both develop pharyngeal pouches by random chance. C. humans and fish share a common ancestor that had gills. D. human embryos need gill slits to breathe in the uterus.