It shows the evolution of certain species through the bone structures of the fossils.
A cross between two different lines and/ or genes that differ in two observed traits.
Answer:
um dunno what the answer choices are so here
- Include a brief summary of the paper's main points.
- Ask a provocative question.
- Call for some sort of action.
- Universalize (compare to other situations).
- Suggest results or consequences.
Parkinson’s disease is triggered by degeneration of dopamine-producing neurons in the brain. <span> <span><span> <span> Parkinson's disease is a neurodegenerative disease of the CNS resulting from degeneration of dopamine-producing neurons in a region of the midbrain called the substantia nigra. Some of the factors that induce this disease are oxidative stress<span>, inflammation, and dysfunctional mitochondria. The disease is progressive including characteristic symptoms such as tremors, muscle rigidity, loss of coordination bradykinesia (slowness and difficulty with movements), sleep disturbances...</span> </span> </span> </span></span>
Answer:
The earliest known life-forms on Earth are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 billion years ago, relatively soon after the oceans formed 4.41 billion years ago, and not long after the formation of the Earth 4.54 billion years ago.
Explanation:
