What exactly happens during Prophase I? Check all that apply!

Chromosomes separate.

Crossing over occurs.

Chromosomes line up in the middle.

Chromosomes line up with homologous pairs.

Chromosomes condense.

What feature of cell theory is best demonstrated in the image

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway