Answer:
B. nitrogen-fixing
Explanation:
Nitrogen fixing bacteria are able to change pure nitrogen into ammonia compounds.
Nitrogen fixing bacteria are found in the soil close to the root of leguminous plants. They are get their own nutrition by chemosynthesis.
- They take nitrogen from the atmosphere in form of nitrogen gas.
- The nitrogen gas is converted into fixed nitrogen compounds such ammonia.
Immune tolerance is the lack of capacity to increase the
reaction to antigens. The tolerance can either be natural or “self” tolerance. On
the other hand, licensing is a kind of protein that lets replication for cells.
They usually happen with eukaryotic cells and they begin with the replication
of DNA.
The best and most correct answer among the choices provided by your question is the fourth choice or letter D.
<span>Flexible digits, a large cerebrum, and arms that rotate at the shoulder are characteristics of primates.</span>
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Compared to cnidarians, bilaterally symmetrical animals have a central nervous system.
<h3>What do bilaterally symmetrical animals have?</h3>
• Bilaterally symmetrical animals have "heads" and "tails" (front and back), front and rear (back and abdomen), and left and right sides. All true animals are bilaterally symmetrical, except those with radial symmetry. The
• longitudinal nerve cords, usually in 3-5 pairs, extend posteriorly from the brain. They are connected by transverse commissures, with smaller lateral nerves extending from the cords. The peripheral plexus arises from the lateral nerve.
<h3>Do bilaterally symmetrical animals have diffuse neural networks?</h3>
Neural networks consist of interconnected neurons that lack brains or some form of cephalization. Organisms with bilateral symmetry are usually associated with neuronal compression and, in a more advanced form, with the central nervous system, whereas organisms with radial symmetry are associated with neural networks.
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