Cycles

Kai Xuan saw a rubber plant pod that had dried out and cracked open on a hot afternoon, scattering its seeds onto the ground nearby. He noticed that no animals, wind or water were involved. Which statement BEST explains this type of seed dispersal and why it is useful to the plant?

Which of the following animals has a life cycle with the same number of stages as a cockroach?

A class at Queenstown Primary placed a female adult frog and a male adult frog in a large tank with a shallow water section and a land section. After two weeks, frog eggs appeared in the water. After four weeks, they noticed tadpoles. After eight weeks, some tadpoles had begun growing legs. Which of the following changes to the tank would MOST disrupt the life cycle from progressing further?

What is the MAIN job of a fruit in the life cycle of a flowering plant?

At which stage of the bean plant's life cycle does it begin to make its own food?