Hurry! Worth 25 points, will get brianlest if correct! Which processes result in genetic differences between parents and offspring and among offspring? Check all that apply

the crossing over of paired chromosomes

the independent assortment of genes

the replication of DNA before a cell divides

the separation of chromosomes to opposite sides of the cell

the condensing of DNA into a chromosome

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.

For which of the following ions is the intracellular concentration typically higher than the extracellular concentration? a. sodium b. calcium c. magnesium d. potassium e. chloride

Where is the energy shown in the equation transferred as a result of photosynthesis? into water into the air into sugars into the ground mark this and return save and exit save and exit bones