Blog

When trees in an area have been removed by human activities, such as clear-cutting, or natural forces, such as fires and hurricanes, which type of forest develops naturally if there is no further human interference?

The carrying capacity of a population is ____.

Which of the following is an example of an ecosystem service provided by forests?

A forest that is known for its year-round uniformly warm temperature is the ____.

Urban sprawl ____.

Which of the following are examples of greenhouse gases?

Rapidly growing countries have an age structure that ____.

A species of snake has evolved resistance to a poisonous newt, allowing the snakes to prey on the newts. The newts have become more poisonous over time, as a result, leading to a kind of evolutionary arms race. This is an example of ____.

¿Qué van a comer? The waiter is reading back an order to make sure he has understood it correctly. Fill in the blanks. hamburguesas, leche, más, pidieron, prefirió, refrescos, se las, se los, tinto El señor y la señora[1] (1)agua mineral ahora, y vino con la comida: vino[2] (2)para ella y vino blanco para él. Los jóvenes van a tomar (3)[3]y el niño quiere (4)[4]. Los platos principales (5)[5]voy a traer en diez minutos. La señora y los jóvenes van a comer (6)[6]con queso. El señor (7)[7]la langosta con mantequilla. Y el niño pidió el plato (8)[8]sencillo (simple): la ensalada de frutas. ¿Sí? ¿Las bebidas?[9](9)voy a servir ahora mismo.

HIPPCO is ____.