Web21 jun. 2024 · Minerals. Chemistry, 24.11.2024 01:00 mya6137. Which condition is necessary for a mold fossil to form? The fossil must be preserved in amber. Minerals … Web27 jan. 2024 · Petrified fossils are formed when minerals replace all or part of an organism. welcome thanks Advertisement Advertisement New questions in Biology. TRUE OR FALSE 1. Compressions are regions of low air pressure 2. Sound waves are considered electromagnetic waves 3.
Growth and development in plants
WebA mold forms when hard parts of an organism are buried in sediment, such as sand, silt, or clay. The hard parts completely dissolve over time, leaving behind a hollow area with the organism’s shape. This mold, or imprint, is of an extinct mollusk called an ammonite. A cast forms as the result of a mold. WebAmmonites, trilobites, and graptolites are often used as index fossils, as are various microfossils, or fossils of microscopic organisms. Fossils of animals that drifted in the upper layers of the ocean are particularly useful as index fossils, as … they\\u0027ll ok
The Fossil Cycle - Teachers (U.S. National Park Service)
WebChapter contents: Nature of the fossil record – 1. Body fossils and trace fossils – 2. The process of fossilization ← – 3. Types of fossil preservation – 4. Completeness of the fossil recordTwo fundamental natural factors govern the process of fossilization:The environment where an organism died.The materials that made up the organism's body … WebWhat is a fossil in which minerals replace all or part of an organism called. Question Date: 2004-04-27: Answer 1: HAH - right up my ally. The one line answer is a Permineralization--- often the word "petrification" is used in normal discussion, but this carries the implication that ALL of the fossil has been mineralized. This is sometimes the case, but more often … WebMy passion is creating easy solutions for hard problems. I have a strong record of developing workable, affordable and timely solutions to … safework sa forklift licence