Active transport means the molecules move against a concentration gradient from areas of lower concentration to areas of higher concentration.
D. Decomposers return everything back to the environment
1. humans cause deforestation, which destroys animals' habitat
2. humans cause water pollution, by throwing harmful chemicals in the sewer causing marine animals to die
3. humans are destroying animals' habitat forcefully to build more homes for peoples
No forman tejidos, cuando se agrupan forman colonias. Algunas células procariotas poseen: - Pared celular por fuera de la membrana
