Answer:
Index fossil that is also known as indicator fossil is used to determine the age of the layers of the rocks. It says that the new layer of sedimentary rocks lie over the old layer.
The deeper we go, the older the rocks we will find. Index fossil of animals that lived or survived only for a short period of time are very useful. An example of index fossil can be Ammonites that were found in Mesozoic era that was about 25-35 million years ago.
Some animals eat veggies some eat meat, some eat both. There is also the fact that the larger the animal is the more it has to eat to get the same nutrients. Like how the lower you are on the food chain the less you have to eat but the higher you get the more you have to eat.
Answer:
Common names comprise of a single name while scientific names comprise of two names, the generic and specific name.
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Answer:
b.The relationship between different types of plant hormones and their functions
Explanation:
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<span>The thymus.The thymus plays an important role in the development of T-lymphocytes which is an important type of white blood cell. It reaches maximum development at puberty and then the thymus begins to get atrophied (the shrinking of the thymus with age) and then the thymic stroma is replaced by fat tissue. Loss of thymic function is thought to contribute to weaker immune system of the elderly, increasing instances of diseases such as cancers and other infections.</span>
