Suppose our hypothesis is that "as tigers get older, they have more mass." if another group of scientists claims that this hypothesis is not supported by their data, their data must show that older tigers
a. have less mass
b. have more mass
c. are better hunters
d. are worse hunters

What does it mean for a cell membrane to be selectively permable

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah 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.