Page 20 - Grade 4 Q2W5-sample

places. So, you should keep your kitchen clean, dry, well lighted, and bright

by having windows, good lighting, and painted with bright colors.

Some people use pesticides to get rid of cockroaches at home.

But pesticide is not good for your health and the environment. That is why

you should keep your kitchen clean and free from leftover foods to keep
cockroaches away.

In the forest, cockroaches are professional recyclers and
decomposers, chowing down just about anything, including dead plants and

animals, and animal waste.

Their digestive systems are up to the task because they contain

bacteria and protozoa that help convert the world's waste into easily-

absorbed nutrients. The waste of roaches nourishes growing plants,
continuing the cycle.

Cockroach egg serves as the only food for parasitic wasp. The
cockroach is also food for the red-cockaded woodpecker, an endangered species,

and this fact sheds light on the importance of roaches in the food chain.

eats roach’s eggs eats roaches
cockroach

by

Photo

woodpecker
This
young wasp
Cockroach serves as food