Vegetable oil. Oil isn’t soluble in water, if layered properly it will float on top of the water in a beaker as you so mentioned. This is due to surface tension and density and a slew of other things I’m not intelligent enough to describe.
Ova or egg cells are the gametes produced by ovaries in the female reproductive system. So ovaries is the first one in the line. From the ovaries, egg cells move to fallopian tubes where fertilization takes place. After this, the zygote moves to uterus for implantation.
So correct answer is Option 1- <u>ovary, fallopian tube, uterus</u>.
Active transport is the process by which dissolved molecules move across a cell membrane from a lower to a higher concentration. In active transport, particles move against the concentration gradient - and therefore require an input of energy from the cell.
It’s Wolf biologists are a specific type of wildlife biologist - a scientist employed to observe and study animal behaviors. In this case, their research and study are limited to wolves. They spend time in the field observing the wildlife and their interactions with each other, prey animals and the ecology.