Both humans and monkeys have this. A VERY long time ago Humans had very small "strings" of skin. This skin has evolved over time and now there is a bone left. Monkeys are technically un-evolved humans. Good thing they stuck around.
Cell membrane or in planet cells: cell wall AND membrane
Cells that protect the body by engulfing foreign cells or producing antibodies are D. White blood cells.
Answer:
Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels.
Dog, cat,
Have hair
warm blooded
