Answer:
<em><u>Oxygen levels are decreasing globally due to fossil-fuel burning. The changesare too small to have an impact on human health, but are of interest to the study of climate change and carbon dioxide.</u></em>
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Synapse plasticity
The ability of a given synapse to strengthen or weaken over time is known as synapse plasticity. The strengthening or weakening is in direct relation to the amount and way the synapse is used. The more frequently and vigorously a synapse is involved in activities, the more it will strengthen, just as in the case of muscles. This mechanism is important in learning and also lays the foundation of memory in the brain.
The dense layer of connective tissue that surrounds the testis is called the tunica albuginea.
<h3>What are the three layers of the testis?</h3>
There are three layers to the tunica, the tunica vasculosa, tunica albuginea and tunica vaginalis.
- Tunica vasculosa. The tunica vasculosa is the inner layer of the tunica and consists of blood vessels and connective tissue.
- Tunica albuginea.
- Tunica vaginalis.
Thus, connective tissue that surrounds the testis is called the tunica albuginea.
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More genetic variation in the offspring, so the species can adapt to new environments because of this.
Answer:
Particularly common types of secondary succession include responses to natural disturbances such as fire, flood, and severe winds, and to human-caused disturbances such as logging and agriculture. In secondary succession, the soils and organisms need to be left unharmed so there is a way for the new material to rebuild.