In the film, Dr. Wells says it is not a good idea to give milk to an adult cat. Although we don't know the exact proportion of cats that are lactose intolerant, many veterinarians advise against giving milk to an adult cat. Why would it not be so surprising if domestic cats, as opposed to tigers for
example, had evolved lactase persistence?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)