All of the following are true of the zebra mussels found in the great lakes except: a. zebra mussels are having are having a negative impact on the native population of mussels in the region. b. they were unintentionally introduced to the great lakes by humans. c. zebra mussels have caused a great deal of environmental damage to the area. d. people of the great lake region are benefitting from the economic advantages of having zebra mussels in the region.

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.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

How will you manage your time to accomplish the necessary tasks both on the job and at home?