Leaving aside invertebrates, which are often microscopic, the smallest land vertebrate is Paedophryne amauensis. This tiny frog was discovered in the jungles of New Guinea, and adults are only 0.27 inch long.Know More
This type of frog is terrestrial, prowling the leaf litter of the forest floor and eating insects even smaller than itself. Due to the fact that this frog was just discovered in 2009 and first published in 2012, not much is known about this creature yet.
At about 1.14 inches, the smallest mammal on Earth is the bumblebee bat. It is the smallest mammal in the world by length, although the 0.06-ounce Etruscan shrew is slightly lighter.Learn More
Centrosomes are the site of microtubule organization in animal cells. They are regulators of the cell cycle and play an essential role in the process of mitosis.Full Answer >
A community of organisms and their nonliving environment is called an ecosystem. In addition to living organisms, the primary components of an ecosystem are soil, atmosphere, heat and light from the sun, and water.Full Answer >
The work of Thomas Malthus was studied by Charles Darwin. Malthus, an English scholar and social economist, observed that high population growth is controlled by such natural catastrophes as famine and disease. Darwin applied this observation to animal populations and formulated his theory of natural selection.Full Answer >
The process that uses oxygen in plants, algae and animals is cellular respiration. In this process, oxygen is used to decompose glucose into energy that is used for energy, growth and other metabolic processes. Aside from energy, this process also results in the creation of carbon dioxide and water.Full Answer >