LE 52-3aClumped. For many animals, such as these wolves,living in groups increases the effectiveness of hunting,spreads the work of protecting and caring for young, andhelps exclude other individuals from their territory.
LE 52-3bUniform. Birds nesting on small islands, such as theseking penguins on South Georgia Island in the SouthAtlantic Ocean, often exhibit uniform spacing, maintainedby aggressive interactions between neighbors.
LE 52-8bSome plants, such as this coconut palm, produce a moderatenumber of very large seeds. The large endosperm providesnutrients for the embryo, an adaptation that helps ensure thesuccess of a relatively large fraction of offspring.