The tube extending downward from the pharynx is the

A) Glottis
B) Trachea
C) Bronchioles
D) Bronchus


Answer: B) Trachea

Biology & Microbiology

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All of the following bones are part of the appendicular skeleton except the ________

a. pelvic girdle b. humerus c. tibia d. vertebral column

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. Natural selection is random because no individuals are eliminated from reproducing due to different environments. 2. Evolution occurs in individuals, not populations. 3. In an evolutionary sense, fitness refers to an organism's contribution to the next generation's gene pool. 4. Since the conditions needed for the Hardy-Weinberg principle do not occur in real populations, this principle has no importance in population studies. 5. Nonrandom mating, gene flow, and genetic drift are mechanisms of microevolution.

Biology & Microbiology

Connective tissues are part of the primordial embryo's

A) mesoderm. B) endoderm. C) ectoderm. D) epidermis.

Biology & Microbiology

In the scientific name, Pan paniscus, Pan represents the name of the ____ while paniscus represents the name of the

____.

a. family; species b. family; genus c. genus; species d. species; genus e. genus; family

Biology & Microbiology