D) male
Most mammals use the X and Y system to determine sex.
Males have 1 X chromosome and 1 Y chromosome while females have 2 X chromosomes.
The question states that there are 2 different sex chromosomes, so this rabbit must be male.
This magnet is the inner core. The inner core of the earth is made iron allowing it to have magnetic qualities. BTW, this is physical science. Just thought to let you know.
Answer:
you can make it with items found ... Rubberband (or Rainbow Loom Bands-great way to use the millions that are just lying ... Once you have all the holes made in your straws you can move to the ... The peg will help when winding up the rubber band car to make it go.
The role of the nervous system is to help the living organism maintain functionality and be able to receive and respond.
Brain- the bodys control center
digestive system- functions to eat and put back out in the form of waste and secretion
Heart- a muscle that keeps blood pumping and spreading throughout the vessels in the body