Which of the following terms best describes the place in an evolutionary tree that represents a currently living population? A. Node
B. Branch
C. Root
D. Tip

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

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

The science for classifying and naming organisms is known as