1. The virus attaches itself to a host cell
2. The virus inserts its nucleic acid into the host cell
3. The virus nucleic takes over the host cell and makes virus parts
4. The cell creates more viruses
5. The cell bursts, releasing the new viruses
Answer:
Ammonification is the process by which the organically bound nitrogen of microbial, plant, and animal biomass is recycled after their death. Ammonification is carried out by a diverse array of microorganisms that perform ecological decay services, and its product is ammonia or ammonium ion.
Explanation:
Answer:
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The answer is upside-down. Mud cracks spread downward keen on soft sediment. When more sediment is eroded in, this second layer will seal the cracks underneath. Later, after the layers have toughened, the rock may be rotated upside-down and then the layers cracked. If you see edges in a mud-crack pattern, you are seeing at the side of the second layer that initially was down. You can tell that this shows edges, and not holes, through the shadow, the edges have a well-lit on one side and a shadow on the other, while holes have light and shadow on the similar side.
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1. B (Blood flows through a system of blood vessels and throughout the body)
2.C (I<span>n blood vessels and sinuses)
3.B (</span><span>Oysters do not move around, but squid are very active)
4.D (</span><span>It is difficult for single pump to force blood through the entire system of a large animal)
5.A (</span><span>Exchanging carbon dioxide for oxygen from the air)</span>
