2. Explain how the chemical properties of water and the characteristics of the water cycle allow for plants to acquire the nitrogen necessary to grow in the experiment above. Use the following terms in
your
-polar, dissolve, cohesion, evaporation
I

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

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.

Construct at least two possible hypotheses for the student’s experiment.