When jenner developed the first vaccine he was using the observation of milk maids who
a. after having cowpox they were immune to smallpoxb. after having chickenpox they were immune to smallpoxc. after being infected with the flu virus they were immune to smallpoxd. after developing hiv they were immune to smallpox

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.

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

Packet fragmentation is not normal, and can only occur if an attack has been initiated. true false