Answer: A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time.
Explanation: A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms. That being said, certain land organisms are useful in young rocks and specific regions.
It usually takes about 48 hours after sun exposure
Answer:
Transmission electron Microscope
Explanation:
It produces thin slices of photography and extremely tiny things. The disadvantages are that its expensive, and you cannot test living things with it, its also massive
Nerves - transmit impulse of sensation to brain or spinal cord, then to muscles and organs
Answer:
prokaryotic cells have no membrane bound organelles
