This is a very long period of time when Earth’s temperature is lower and ice sheets grow.
What is an Ice Age?
A very large area of water between continents.
What is an ocean?
A scientist who studies fossils.
What is a paleontologist?
A property or feature of an organism.
What is a trait?
This vegetable was bred for very large leaves.
What is kale?
At the end of the last Ice Age, this happened to Earth’s temperature.
What is it got warmer?
A large area of land mainly covered in grass.
What is a grassland?
The preserved remains or traces of ancient plants and animals.
What is a fossil?
The differences that exist between individuals of a species.
What is variation?
This vegetable was bred for overlapping leaves.
What is cabbage?
When the snow melted at the end of the Ice Age, these got higher.
What are the oceans?
An area of land that receives very little rainfall.
What is a desert?
An organism trapped and frozen for thousands or even millions of years.
What is a frozen fossil?
Traits passed from parents to offspring are called these.
What are inherited traits?
This vegetable was bred for unopened flowers.
What is broccoli?
Scientists know plants and animals were alive during the Ice Age because they found these.
What are fossils?
A tropical region with many trees and lots of rain.
What is a rain forest?
Scientists use what they know about present-day animals to figure out how Ice Age animals lived and this.
What is their diet?
Eye color and fur color are examples of these kinds of traits.
What are inherited traits?
This vegetable was bred for flowers.
What is cauliflower?
Scientists think many animals disappeared after the Ice Age because of disease, food shortage, or this human action.
What is overhunting?
This environment near the North Pole has very cold, windy weather, short summers, and long winters.
What is Arctic tundra?
This word means a species no longer exists because no individuals remain.
What is extinct?
People bred certain plants from wild cabbage for a particular one of these.
What is a trait?
Kale, cabbage, broccoli, and cauliflower were all bred from this original plant.
What is the wild cabbage plant?