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6 de may. de 2024 · Earth is a terrestrial planet. It is small and rocky. Earth's atmosphere is the right thickness to keep the planet warm so living things like us can be there. It’s the only planet in our solar system we know of that supports life. It is mostly nitrogen, and it has plenty of oxygen for us to breathe.
7 de may. de 2024 · For example, living things inhale oxygen and exhale carbon dioxide (CO 2) from the atmosphere. Then, plants pull CO 2 during photosynthesis to build their structure (mostly glucose). The biosphere constantly interacts with Earth’s spheres.
7 de may. de 2024 · People who live close to nature usually have an excellent working knowledge of the elements of the local fauna and flora important to them and also often recognize many of the larger groups of living things (e.g., fishes, birds, and mammals).
Hace 5 días · Biochemistry is the study of chemical processes within and relating to living organisms. Molecular biology is the branch of biology that seeks to understand the molecular basis of biological activity in and between cells, including molecular synthesis, modification, mechanisms, and interactions.
Hace 2 días · He distinguished two kingdoms of living things: Regnum Animale ('animal kingdom') and Regnum Vegetabile ('vegetable kingdom', for plants). Linnaeus also included minerals in his classification system, placing them in a third kingdom, Regnum Lapideum.
23 de may. de 2024 · We talk about living things all the time. Most people use the word “life” regularly. But what do we really mean by these words “life”, “alive” and “living”?
6 de may. de 2024 · Scientists want to know if Mars may have had living things in the past. They also want to know if Mars could support life now or in the future.
