Identify the CLASS of the organism shown here.  

Identify the SUBPHYLUM of the organism pictured here.

Identify the structure at the tip of the bolded arrow (note: this structure is located at the base of the antennae and/or maxillae inside the head capsule of the crawdad, and is composed mainly of a labyrinth, bladder, and tubules).

Identify the CLASS represented here (this is a monarch caterpillar).

Identify the SUBPHYLUM of the organism shown here.

Identify the ORDER of the organisms shown here.

Identify the CLASS represented by the organisms shown here.

Identify the PHYLUM represented here.

Identify the CLASS of the organism shown here (note: this animal lives in the ocean, and the “legs” here are not jointed).

If inventory levels are stable or increasing, an argument which is not an advantage of the LIFO method as compared to FIFO is