This process, called photosynthesis, is essential to the global carbon cycle and organisms that conduct photosynthesis represent the lowest level in most food chains (Figure 1). Most living things ...
We often think of animals using oxygen and glucose for cellular respiration and producing carbon dioxide. Similarly, we might think of plants using carbon dioxide and sunlight for photosynthesis and ...
Caption Photosynthetic bacteria that were born in the deep sea hydrothermal vents have since evolved into algae, land plants. They were born for the first time on the Earth, it is thought that ...
Two Harvard biologists have discovered fossils of an algae more than three billion years old -- the oldest fossil organism ever found: The algae seems to have carried on photosynthesis ...
Their bodies play host to thousands of other organisms. Photosynthetic algae that harvest energy directly from sunlight. And once harvested, it's passed on to the jellyfish to use.' BRIAN COX:'The ...