C. <span>Scientific ideas change over time as new information is discovered.</span>
There may be some strains of bacteria that are naturally resistant to these antibiotics, or there may be some that mutate to become resistant. This means that as antibiotics are used more and more, those that can be killed using the antibiotics die out, but those that are resistant will remain, and will reproduce. Over time, it will be the resistant species that predominate.
Closer examination will reveal that this animal has the presence of chelicerae but the absence of antennae. The chelicerae are usually segmented pincerlike appendages.
Chelicerates are animals that have two body segments; i.e., a cephalothorax and an abdomen.
Chelicerata is a division within the Arthropoda. These animals have six pairs of appendages.
All chelicerates have eight legs and lack antennae.
Spiders, mites, scorpions, and relatives are chelicerates.
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Answer:
covalent bonds
Explanation:
Nucleotides are joined together by covalent bonds between the phosphate group of one nucleotide and the third carbon atom of the pentose sugar in the next nucleotide.
