Plants and animals compete with each other to get what they need, such as ____, food, sunlight, and shelter. Too much ____ can cause floods, while not enough can turn green plants brown. People can reduce pollution by using reusable grocery bags and ____ plastic bottles. Earthquakes, storms, and volcanic eruptions are examples of natural ____ that can change environments. A habitat is a living thing's ____. Changes to it can hurt the living things living there. Thousands of years ago, parts of the world were covered with ____. Extinct means there are no more ____ of a species left alive. Fossils of teeth can tell us what an animal ____. Some dinosaurs resembled modern ____, sharing body parts and their uses. Woolly mammoths resembled elephants but were larger and had thick ____ for cold habitats. Cockroaches have stayed consistent for ____ of years. Lightning can start ____ in dry grasslands or forests. The goblin shark is often referred to as a "living ____ " because it has remained unchanged for millions of years. Humans harm the environment by ____ water, land, and air. Fossils can tell us about the size and ____ of plants and animals that lived long ago.

ENVIRONMENT CHANGE

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