No, it's not B. The energy needed to "pump" sodium outside the cell in active transport is ATP. When ATP releases energy (for metabolism usage) during active transport, the sodium is discarded.
C. To live in a group with other organisms
The first evidence of modern human traits, including increasing brain size and dependence on material culture shows up in Homo habilis. Even though they are species<span> of genus </span>Homo, they are not similar to people nowadays at all. <span>In </span>palaeoanthropology, these species were the first ones who left Africa and started to move and spread along Eurasia, which is one the main facts and characteristics of Homo habilis.
Answer:
1. c
2. d
3. a
4.b
Explanation:
I numbered the first four boxes a, b, c, and d, and the slots where they go in 1, 2, 3, and 4 going down.
The main function of DNA in a cell is that it allows all forms of life to function, grow, and produce
