Abiology class is studying the effect of temperature on the amount of growth of duckweed in an aquarium. what type of data will they need to collect, and which tools will most likely be used? they will gather qualitative data, using a thermometer and a hand lens. they will gather qualitative data, using a meterstick and a graduated cylinder. they will gather quantitative data, using a thermometer and a balance. they will gather quantitative data, using a beaker and a timer.

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h, o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Monitor and apply fix up strategies