Rickettisias are now considered as bacteria because they have the characteristics of been spread by arthropods vectors, the cells are extremely small and can be rod shaped or coccoid and they have typical bacterial cell walls. They have no flagella, they are gram negative and multiply by mean of binary fission only in their hosts cells.
Answer:
The digestive system of Frog, shark, chicken and cow are the following:
Explanation:
The digestive tract of frog is divided into foregut that consist of esophagus, stomach, duodenum, liver, pancreas, gall bladder and midgut/hindgut where intestine is present. The digestive system of frog comprise of oral cavity, pharynx, esophagus, stomach and intestine. The digestive system of chicken consist of beak, crop, proventricular, ventriculus, small Intestine, large Intestine and Cloaca. The digestive system of cow comprise of mouth, esophagus, rumen, reticulum, omasum, abomasum, small intestine and large intestine.
It is said that it's created by the lymph system. Hope you have a great day/evening/afternoon/night! :)
Out of the following, the one that would most likely happen if DNA polymerase were not functioning properly during DNA replication is the new strands of DNA would not be an exact copy of the original DNA. So the correct answer will be C.
They inte in the ecosystem