Choose the One Most Appropriate Letter for Each

question 8

Multiple Choice

Choose the one most appropriate letter for each.
-platypus

• A)cartilaginous skeleton; jaws
• B)reptile with four-chambered heart
• C)separate openings for the urinary, reproductive, and excretory systems
• D)legless amphibian
• E)invertebrate chordate; no metamorphosis
• F)endotherm with feathers
• G)limbless reptile
• H)most primitive fishes with jaws; extinct
• I)modern-day parasitic jawless vertebrate
• J)North America's only native marsupial
• K)adults are barrel-shaped and secretes a covering of polysaccharides
• L)egg-laying mammal
• M)swim bladder for buoyancy
• N)larvae typically have gills and develop lungs as they mature

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Definitions:

Altruistic

The practice of selflessly caring for and putting the welfare of others before oneself.

Selfish

Concerned excessively or exclusively with oneself, often disregarding the well-being or interests of others.

Normal

Referring to something that conforms to a standard; typical, expected, or average.

Altruistic Feelings

Altruistic feelings are emotions that lead an individual to act in the interest of others, often at a cost or risk to oneself, driven by a selfless concern for the well-being of others.