6) Clasifique lo siguiente como reproducción sexual o asexual. Dar el tipo específico si Asexual a) Un pequeño trozo de cactus se desprende de la planta, cae al suelo y comienza a crecer

b) El polen de un álamo macho fertiliza las células sexuales de un álamo hembra

c) Dos lombrices de tierra producen cada una esperma y óvulos y se fertilizan entre sí.

d) Un gusano plano se corta por la mitad y se convierte en dos gusanos planos

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Wich organism obtains its energy from dead or decaying matter

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide