7) Marcar con una "X" las afirmaciones falsas. Justifique la elección. a- El sistema digestivo transforma los alimentos en nutrientes que junto con el agua pasan al sistema circulatorio. b- Los nutrientes llegan a la célula. Estas los utilizan para realizar sus funciones vitales. El \( \mathrm{CO}_{2} \) y otros desechos son eliminados, y entran al sistema circulatorio. c- El sistema circulatorio transporta los nutrientes hasta las células, y las sustancias de desecho que ellas producen hasta el sistema excretor. d- El sistema respiratorio absorbe el \( \mathrm{CO}_{2} \) del aire y elimina \( \mathrm{O}_{2} \). e- El sistema urinario elimina los desechos celulares y el exceso del agua mediante la orina.

Each alveolus is surrounded by a web of blood capillaries supplied by the

2. The dependent variable \( g \) represents the growth of a plant. What variables can represent independent variables in this situation?

A woman should have no trace of the mitochondrial DNA from her paternal grandmother. \[ \text { True False } \]

2. How do plants produce energy storage molecules? a. By consuming other plants b. Through photosynthesis c. By absorbing energy from the soil d. By breaking down glycogen

Fossil and DNA evidence have allowed scientists to hypothesize the evolution of hominins. Place the following items into numerical order from largest to smallest. Start by choosing the first item in the sequence and clicking, dragging, or using your keyboard to select it. the number of years that Neanderthals lived on Earth the number of years ago the earliest hominin lived the percentage of DNA shared between modern humans and Neanderthals the number of years ago Homo habilis arose theanderthal DNA was introduced to modern human DNA