Answer:
Mold fossils A fossilized impression made in the substrate; a negative image of the organism.
Cast fossils Formed when a mold is filled in.
Trace fossils or Ichnofossils Fossilized nests, gastroliths, burrows, footprints, etc.
True form fossils Fossils of the actual animal or animal part.
Answer:
Explanation:
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. The structures are similar because they evolved to do the same job, not because they were inherited from a common ancestor.the existence of homologous structures adapted to different purposes as the result of descent with modification from a common ancestor.
B. Hold large amounts of food.
Some parts of plant materials, like cellulose, are hard to digest. The digestive tract of herbivores is adapted so that the food can be digested properly.
Answer:
According to a recent National Institutes of Health (NIH) estimate, 90% of cells in the human body are bacterial, fungal or other non-humans. Many scientists concluded that bacteria enjoy a commensal relationship with their human hosts. Microbes not only live outside the human but live equivalently inside the human body that keeps him healthy.
Scientists called human skin a “virtual zoo of bacteria”. Some scientists compared the diversity in the human gut to a rain forest. The human gut alone contains on average 40,000 bacterial species.
According to the Human Microbiome Project in 2007, dozens of research teams have gathered data that redefine what it means to be human. Some commentators have gone so far as to refer to the human body as a superorganism whose “whose metabolism represents a combination of microbial and human attributes.
<span>You can protect your savings against the currency devaluations.You can protect your purchasing power as inflation is steadily rising.You can protect yourself should a severe banking crisis occur, should one of the big banks collaps for example.You can protect your portfolio and wealth if an economic crisis in China, the US or Europe occurs. Even if an economic crisis would result in (temporary) deflation, you would be relatively better off with gold than being in paper money or paper assets.You can protect yourself against the uncontrolled actions of governments, who have excessive debts and try to solve it with huge money printing. Trying to solve the problem of too much debt by creating even more debt is really strange. Anyway someone has to pay the bill … you better be sure it’s not you.You have no counterparty risk with gold and silver (contrary to paper assets where there is always a counterparty risk involved)<span>You should own gold and silver because the trend is your friend. Look at thes 7 charts that prove we are in a major wealth cycle in gold and silver. What is more easy than being invested in the trend ?</span></span>