Definition: A type of small, mostly freshwater flatworm that has a soft body, a three-branched digestive system, and can regrow parts of its body.

Example: The planarian is known for its remarkable ability to regenerate lost body parts.

Definition: Describing animals that walk with their entire foot flat on the ground, including the heel and toes, like humans and some mammals.

Example: Bears are plantigrade animals, meaning they walk with their whole foot touching the ground.

Definition: An animal that walks on the soles of its feet, like humans and bears, rather than on its toes or hooves.

Example: Bears are examples of plantigrade animals that walk on the soles of their feet.

Definition: A type of frog that lives mostly in water and does not often come onto land.

Example: The platanna is known for its ability to thrive in aquatic environments.

Definition: Describing something that has a flat or layered appearance, often used in relation to soil or minerals that are found in thin, flaky layers.

Example: The geologist noted that the platy rock formations were unique to this region.

Definition: A small freshwater fish that is often kept in aquariums, known for its bright colors and ability to give birth to live young.

Example: The platy is a popular choice for beginners in aquarium keeping due to its vibrant colors and easy care requirements.

Definition: A small, colorful freshwater fish often kept in aquariums, known for its peaceful nature and ease of care.

Example: The platyfish is a popular choice for beginner aquarium enthusiasts.

Definition: A type of simple, soft-bodied animal that is flat and often lives in water, commonly known as a flatworm.

Example: The platyhelminth is an important organism in studying the evolution of more complex animals.

Definition: A unique animal from Australia that has a duck-like bill, webbed feet, and lays eggs despite being a mammal.

Example: The platypus is one of the few mammals that lay eggs instead of giving birth to live young.

Definition: Describing a type of monkey with a wide, flat nose, typically found in the Americas, and having nostrils that are spaced apart and open to the sides.

Example: The platyrrhine monkeys, such as capuchins and howler monkeys, are known for their distinctive facial features.

Definition: A type of monkey that has a flat nose and is typically found in Central and South America.

Example: The platyrrhine is known for its distinctive flat nose and prehensile tail.

Definition: A type of insect belonging to the order Plecoptera, commonly known as stoneflies, which are typically found in clean, cold water environments.

Example: The plecopteran larvae are important indicators of water quality in streams.

Definition: A type of limb found on the abdomen of certain crustaceans, used for swimming.

Example: The shrimp used its pleopods to propel itself through the water.