Which is the correct response time to stimuli?
endocrine system, 2 hours; nervous system, 30 seconds
endocrine system, minutes to days; nervous system, 5 minutes
endocrine system, at least 6 hours; nervous system, 10 seconds
endocrine system, minutes to days; nervous system, less than one second

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab

In which state was more than 100 billion tons of coal mined in 2005?

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.