List three things you will need on the PSAT/NMSQT test day according to the "Taking the Tests" web page

The y-value if a data point corresponding to x1

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers

Match each fossil with the layer where it’ll be present based on those conditions.