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A species that no longer exists are said to be _______.
A ______ is the remains of a dead animal or plant that became trapped in layers of sediment and turned into rock.
When something has certain features to do a particular funcion it has _______.
Physical _____________ factors, like temperature, help to create the environment of a habitat.
The two biggest are the plant _______ and the animal _______.
Organisms are __________ into their groups according to their characteristics.
___________ are animals with a backbone.
The _______ is the layer of cells on leaves that is waterproof.
The tissue found in plants responsible for transporting minerals and water throughout the plant is called _____.
______ are very small part of a plant that can grow into a new plant.
______________ is a process that plants use to make their own food.
_______ is the natural home of plants and animals.
