imported one of the predators that still plagues the iguana today. The Indian mongoose
Popular Science article from 1898 describes the disaster which the mongoose caused in
and the once plentiful edible lizards and land crabs are now rarely seen. All young and
another story. Most lizards lack the long-term memory to protect their young or their
dined on iguana eggs and hatchlings. Before long the species had disappeared
Source 3: The Quiet Intelligence of Plants
While plants cannot walk, run, cry out or feel pain (at least in a way that we are able to
quickly detect), they are far from defenseless, senseless life forms. In fact, plants often
Short answer: In countless ways, from physical and chemical responses to signaling
mammals).
either through a connected root structure that can share or trade resources, or through
the detection of sun-soaking competitors, resulting in growth in an opposing direction.
Physical Defenses
prickles and spines are the three most common and recognizable forms of physical
defenses, and while many people might mistake them, they are distinctly unique.
Page 14 LANGUAGE ARTS PERFORMANCE TASK GRADE 4