Anton van Leeuwenhoek used a microscope to observe tiny creatures swimming in a drop of pond water. How did his observation contribute to the cell theory

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.