Nevertheless, in microbiology the cell wall of bacteria is not like that of plants and other organisms due to the presence of peptidoglycan (also known as murein) which is located immediately outside the cell membrane. The bacteria cell wall is made up of peptidoglycan which makes the cell wall rigid and determines …
What is Mulching? Mulching in ecology is the agronomic act of applying suitable materials known as mulch (pieces of a dry or moist material added to soil surfaces) to the surface of cultivated soil or the earth around the base of plant stalks. Several different types of materials, (2-4) inches thick, can …
What is Air Pollution? The Clean Air Act in the U.S which was established in 1970 authorizes the U.S Environmental protection Agency (EPA) to regulate the emissions of these hazardous air pollutants in order to safeguard public health. According to WHO, almost all the population worldwide breathes air that exceeds the WHO …
What are Air Pollutants? Air pollutants are part of ecology and are substances emitted into the air that can cause adverse effects on the ecosystem and the organisms inhabiting it. They cause harm to humans and the environment and exist as solid particles, gases, or liquid droplets. These pollutants can be …
What are omnivores? Omnivores is a combination of the Latin words “Omnis” which means everything and “Vorare” which means to eat or devour. When these two Latin words are combined it gives the meaning of omnivores as animals or organisms that devour or eat everything, both plants and animals. These animals eat different materials …
What is Transpiration? Transpiration is the process in plants where water is released into the atmosphere in form of water vapor or moisture. The water inside the plant evaporates into the atmosphere from aerial parts of the plant such as the stems, flowers, and small pores on the leaves. Transpiration in plants …
What are carnivores? Carnivores are groups of animals that prefer to eat only meat (the flesh of other animals). These organisms or animals are sometimes referred to as predators, and the animals they hunt and kill are called prey. Carnivores play a vital role in the food web (an illustration of which …
What are herbivores? Herbivores are groups of animals that are plant eaters; they feed primarily on autotrophs (plants), and they range in size from small animals like the little insect called the aphid to the giant mammal known as the elephant. These organisms hold a key position in the food web (this is …