Gills. This could be it because many aquatic animals need to absorb oxygen from the water
Answer:
Option-B
Explanation:
The theory of endosymbiosis provided the evidence which suggested that the eukaryotic organelles like mitochondria and chloroplast evolved from the smaller prokaryotes which were once independent organisms.
These prokaryotes, when engulfed by larger cells, formed symbiotic relationship among themselves and later evolved into the organelle.
In the given question, since the zoochlorellae contains paramecium bursaria within its cytoplasm which could form the symbiotic relationship. This could act as an evidence of the endosymbiotic theory.
Thus, Option-B is the correct answer.
Answer:
Explained below
Explanation:
1) Olfactory nerves are responsible for our sense of smell while auditory nerves are responsible for our sense of hearing.
2) Olfactory nerves are the shortest nerves and are those that enter the skill through the cribform plate from the ethmoid zone while auditory nerves is one out of two parts of the vestibulocochleer which is described as a cranial nerve that's present in amniotes. The other part is the vestibular nerve.
Answer:
To prevent a pathogen infection