Which terms best complete the chart about characteristics of human development between fertilization and birth?

The model illustrates a process by which a substance is taken up by a cell

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

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