Drag the tiles to the correct boxes to complete the pairs. Match each description to the type of relationship it represents.

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

What was the land like over 500 million years ago? what was under the sea?

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.