Experiment 1: dichotomous key practice a dichotomous key is an identification tool that starts with a broad defining characteristics and splits into two options until an organism can be identified. in this experiment, you will identify organisms by their binomial nomenclature using a dichotomous key.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?