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Jun 12, 2020 · 1. Global tributes and protests. Getty Images. London, Tokyo and Auckland are just some of the cities holding protests. People are protesting with one message - Black Lives Matter. They...
Nov 21, 2023 · What does Wilson do for a living? George Wilson is the owner of a run-down gas station and auto shop in the '"valley of ashes"', located between Eggs and New York City,...
Oct 13, 2021 · Matter and energy are key players in the process of life at all levels : cell, organism, and ecosystem. Both matter and energy are familiar ideas, yet misconceptions are common, especially about energy and the interplay between matter and energy in biological systems.
- Lisa Bartee, Walter Shriner, Catherine Creech
- 2017
- Order. Organisms are highly organized, coordinated structures that consist of one or more cells. Even very simple, single-celled organisms are remarkably complex: inside each cell, atoms make up molecules; these in turn make up cell organelles and other cellular inclusions.
- Sensitivity or Response to Stimuli. Organisms respond to diverse stimuli. For example, plants can bend toward a source of light, climb on fences and walls, or respond to touch (Figure 2).
- Reproduction. Single-celled organisms reproduce by first duplicating their DNA, and then dividing it equally as the cell prepares to divide to form two new cells.
- Growth and Development. All living things increase in size and/or change over their lifespan. For example, a human grows from a baby into an adult and goes through developmental processes such as puberty.
The first living things on Earth, single-celled micro-organisms or microbes lacking a cell nucleus or cell membrane known as prokaryotes, seem to have first appeared on Earth almost four billion years ago, just a few hundred million years after the formation of the Earth itself.
How did living matter first arise on the earth? As natural scientists learn more about nature they are returning to a hypothesis their predecessors gave up almost a century ago: spontaneous...
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Jan 30, 2019 · How does inanimate matter come to breathe, thrive and reproduce? Explaining this magic means overhauling nature’s laws, says physicist Paul Davies
