Examlex
We can determine the age of a star cluster by measuring the color of the reddest red giant stars in the cluster.
Nicotine
A stimulant and addictive substance found in tobacco plants, primarily responsible for the addictive nature of tobacco smoking and vaping.
Independent Evolution
The process by which distinct species evolve similar characteristics independently of each other, often due to similar environmental pressures; also known as convergent evolution.
Ctenophores
Marine invertebrates known as comb jellies, characterized by their gelatinous bodies and rows of ciliary plates for movement.
Neurotransmitters
Chemical substances that transmit nerve impulses across a synapse from one neuron to another, playing a crucial role in the functioning of the nervous system.
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