The answer is C.
Living organisms that live in the littoral zones in the ocean are used to frequent changes in temperature and in the salinity of the ocean water. For an organism to survive in this environment, it needs to have adaptive features that will increase its survival. The littoral zone is divided into three zones, which are high, middle and lower littoral zones. Organisms living in high littoral zone have adaptive features that make them more adapted to desiccation due to the long hours of sunlight to which they are exposed. The organisms are usually exposed directly to the air or they can be enclosed in burrows.
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Answer:
1. all different lives in 1 area
2.supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services.
3.heat differences between the forest and the tundra are the climates, animals and plants. The tundra's climate is very cold while the forest is warmer and the tundra receives little sunlight whereas the forest receive direct and constant sunlight. The animals living in the tundra includes the arctic fox, snowy owl,caribou,ermine and polar bear and some tropical forest animals are the howler monkeys,sloths,jaguars,parrots and toucans. There are only a few plants that grow in the tundra. Some of them are the arctic moss, arctic willow, bearberry and pasque flower. These are the differences between the tropical forest and the tundra.
Explanation: hope it helps ::)))
The amino acids are the building blocks of the proteins.
Explanation:
The amino acids are the organic molecules made up of a carboxylic group, an amino group and a carbon side chain. The proteins are macromolecules, made up of amino acids. Many amino acids combine to form a protein. The structure of the protein depends on the sequence of the amino acids present in the structure of protein. A different protein has a different sequence of amino acids.
Apurinic sites in an intact double helix DNA molecule result from the loss of a nucleotide base.
<h3>What is an apurinic site? </h3>
An apurinic/apyrimidinic/abasic site is a position in a molecule of DNA which lacks any purine or pyrimidine base. These sites are also found in RNA molecules but their frequency is more in DNA molecules.
DNA damage caused by a spontaneous depurination can result in the formation of an abasic site.
In the presence of an abasic site, DNA polymerases cannot function. Thus to maintain the integrity of the genome, these sites need to be repaired.
Two methods to repair are base excision repair and nucleotide excision repair.
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