fossilized tree sap, also known as amber, prevents scavengers, water, and oxygen from getting to the organism and destroying its remains.
Amber is a fossilized tree sap that has been prized since Neolithic times for its color and natural beauty. Amber has long been valued as a gemstone, and it is now used to create a variety of decorative objects. Tree resin is a fluid (Sap) produced by plants (most commonly trees), but it is not the same as sap. Sap is a watery, sweet substance, whereas resin is thicker and stickier. Frankincense, Myrrh, Benzoin, and Copal are examples of well-known resins.
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The answer is B about cycle
Answer:
(A) allopatric
Explanation:
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Answer:
Tectonic Plates and Plate Boundaries
There are three main types of plate boundaries:
Convergent boundaries: where two plates are colliding.
Divergent boundaries – where two plates are moving apart.
Transform boundaries – where plates slide passed each other.
Two factors contributed to the success of the pteridophytes: the extreme miniaturization of the gametophytic generation and an important development of the sporophytic generation (development of the tree forms).
Pteridophytes are a group of plants that peaked in the Carboniferous (-300 million years). It is the first great terrestrial plant civilization. These plants would have appeared in the Devonian -400 million years ago, perhaps from certain primitive terrestrial plants which, unlike bryophytes, would have favored the diploid generation on the haploid generation.
Particularly well adapted to terrestrial life, they have created, thanks to the development of tree forms, immense forests whose fossilization is at the origin of coal deposits.
Pteridophytes are at the origin of an evolutionary lineage based on the extreme miniaturization of gametophytic generation and an important development of sporophytic generation, leading to all tracheophytes including current flowering plants. Pteridophytes are well adapted to terrestrial life, however fertilization still requires the presence of water since male gametes are swimmers.
