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Hace 1 día · [1] Life on Earth, which emerged more than 3.7 billion years ago, [10] is immensely diverse. Biologists have sought to study and classify the various forms of life, from prokaryotic organisms such as archaea and bacteria to eukaryotic organisms such as protists, fungi, plants, and animals.
Hace 3 días · About ten years ago, science writer Ferris Jabr started contemplating Earth as a living planet rather than a planet with life on it. It began when he learned that the Amazon rainforest doesn't ...
Hace 2 días · The history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to present day.
Hace 3 días · Visit the official Earth Day site to learn about the world's largest environmental movement and what you can do to make every day Earth Day.
Hace 6 días · Stressing the importance of a healthy environment, this kit focuses on the physical characteristics of living things, and how living things provide for their needs. Also included in this kit are activities which focus on different parts of the body, including the five senses.
Hace 1 día · The tiger ( Panthera tigris) is the largest living cat species and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail, and orange fur with black, mostly vertical stripes.
Hace 4 días · Life on Earth owes much to plants. The vast majority of plants carry out photosynthesis to transform light energy into chemical energy, which is the way that virtually all energy in the biosphere becomes available to living things (including us humans).
