What characteristic would best help bison survive a harsh, very cold winter? hoof size to be able to migrate to colder temperatures
hearing quality to be able to sense predators faster
thick fur to insulate the bison from the cold weather
leg length to be able to catch prey more easily

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Why can't you grow plants with adhesion water?