Answer:
A fossil is remain or impression of dead plants or animals which have lived thousands of years ago it can also be described as any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants
Types of Fossils. Fossilization can occur in many ways. Most fossils are preserved in one of five processes preserved remains, permineralization, molds and casts, replacement, and compression.
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Answer and Explanation:
Consists of the brain and spinal cord
- central nervous system
Consists of the nerves outside the brain and spinal cord
-peripheral nervous system
Collects information from sensory organs
-peripheral nervous system
Processes information from sensory organs-central nervous system.
The CNS is made up of the brain and the spinal cord. The PNS consists of nerves, which link the CNS to various receptors and effectors.
