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<u>Please </u><u>mark </u><u>BRAINLIEST</u></h2>
Explanation:
Like carbon, nitrogen has its own biogeochemical cycle, circulating through the atmosphere, lithosphere, and hydrosphere (Figure 5). ... In this symbiotic association, the bacteria become encased in nodules that grow on the roots of plants, through which nitrogen that has been fixed by the resident bacteria is obtained.
Answer:
Enrichment helps satisfy both the physical and psychological needs of animals and allows them to make choices. Thus, animal enrichment creates a win-win-win situation for the animals, visitors and keepers! In the wild, animals must find food, defend territories, escape predators and build homes.
Answer:
Wakefulness and sleep.
Explanation:
Hypothalamus may be defined as the small region of the brain that maintains the homeostasis of the body. The hypothalamus is divided into anterior hypothalamus and posterior hypothalamus.
The anterior hypothalamus of the brain is involved in the sleep activity of the organisms and releases the hormones also. The posterior hypothalamus is involved in the wakefulness of the individual.
Thus, the correct answer is wakefulness and sleep.
