The process Aristotle developed of labeling things based on their similarities is called ________.

Plants that have tubes inside themselves to move water and other fluids around from the roots to the leaves.

There are _______ traits scientists consider important when they place living creatures in different kingdoms.

Chromista are found in very ________ environments.

Animals WITH backbones are called ___________.

Alfred Wegener had an idea that there was once a supercontinent called __________.

The oldest fossils on Earth are ___________.

Many of the names we use for living things today are from this person's early work.

Types of living things.

Which one of the below is NOT a trait scientists consider important when they place living creatures in different kingdoms.

_________ have no cells at all. (HINT: Look in the Studies Weekly "Diversity of Life" article)

Humans, fish, bugs, birds and snakes are all part of the ___________ .

Describes organisms with ONE cell.

A substance that allows plants to use sunlight to convert water and carbon dioxide into food.