Cysticerci remain alive for 5-6 years and are then calcified by the host (pig).

Fluid mosaic model exhibits amphipathy. It is due to phospholipids as they have both hydrophobic and hydrophilic groups.

Digestion occurs in food vacuoles only, hence, it is  completely intracellular.

Leveret is young one of a mammal (hare).

Glycogen is a polymer of D- glucose and is highly branched and the branching occurs in 10-12 glucose units. Hence, the repeating unit in glycogen is Glucose.

Non- reducing sugars lack free aldehyde or ketonic group and they do not reduce cupric ions of Benedict's or Fehling's solution to cuprous ions, e.g., sucrose.

Annelids have straight alimentary canal representing a tube within a tube plan. In deuterostomatic animals anus develops earlier during embryonic development from
blastopore (e.g., all chordates and echinoderm invertebrates).

The bones of the tail, which articulate with the sacral vertebrae. The number of caudal vertebrae varies with the species. The coccyx is a triangular arrangement of bone that makes up the very bottom portion of the spine below the sacrum. It represents a vestigial tail, hence the common term tailbone.

Synsacrum and pygostyle are unique features of aves.

Haemocyanin is the characteristic respiratory pigment of only Mollusca and some arthropods.

Stratum comeum is keratinized layer and is shed by snakes annually.