The Shark Rectal Gland ________

question 59

Multiple Choice

The shark rectal gland ________.

• A) is involved in osmoregulation
• B) is responsible for excretion of undigested residue
• C) secretes a hypotonic solution
• D) concentrates electrolytes necessary for homeostasis in a hypertonic environment

Recognize the concept of convergent evolution and its outcomes.

Define and differentiate between homoplasy, synapomorphy, and homology.

Apply the principle of parsimony in phylogenetic analysis.

Interpret phylogenetic trees and the concept of sister taxa.