What structure prevents swallowed material from passing into the larynx?

A) Epiglottis B) Tongue C) Pyloris D) Pharynx E) Glottis


A

Biology & Microbiology

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Which concept reflects the increasing numbers of species present in an area that includes a wide variety of habitats,

vegetation types, and small-scale environments?

a. landscape ecology b. the species-area relationship c. conservation biology

d. alpha-diversity e. beta-diversity

Biology & Microbiology

Oceans and the tropical rain forests contribute equally to global productivity

Indicate whether the statement is true or false.

Biology & Microbiology

Excised introns form structures called lariats.

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

Biology & Microbiology

The markers that identify "self" are actually

A) genes. B) proteins. C) lipids. D) small surface bumps. E) triplet codons

Biology & Microbiology