Final answer:
Clumped dispersion is often seen in plants but uncommon in animals. It occurs when individuals within a population are clustered together in groups.
Step-by-step explanation:
The form of population dispersion that is often seen in plants but uncommon in animals is clumped dispersion. Clumped dispersion occurs when individuals within a population are clustered together in groups.
Plants that drop their seeds straight to the ground, such as oak trees, are examples of clumped dispersion in plants, while animals that live in groups, like schools of fish or herds of elephants, exhibit clumped dispersion as well.