<span>Electrocardiography (ECG or EKG from Greek: kardia, meaning heart) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body
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An autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes. Viruses contain DNA but not much else. They lack the other parts shared by all cells, including a plasma membrane, cytoplasm, and ribosomes
<span>The answers are -seed-bearing and -vascular. The gymnosperms are a group of seed-bearing vascular plants. The name "gymnosperm" is derived from Greek words meaning "naked seeds" because their seeds do not develop within an ovary but on the surface of scales. The gymnosperms, as other vascular plants, have vascular tissue specialised to transport fluids. This group of plants includes conifers, Ginkgo, cycads, and gnetophytes. </span>