The plasma membrane is

permeable
semipermeable
rigid
around the nucleus

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase