No it's an aquifer. trust me because the definition of aquifer is "permeable rock that contains groundwater"
Out of the choices given, the mechanisms that drives evolution is natural selection. The correct answer is B, natural selection.
Two atoms of oxygen element are represented as "20". The two oxygen atoms are unreactive state and are unstable readily reacts and form molecules.
O₂ reprersents one molecule oxygen. When the two oxygen atoms reacts with each other forms one molecule of Oxygen. After the formation of Oxygen molecule, it (oxygen) has got stability.
Wasps laying eggs inside hornworms and after the eggs hatch, the wasp larvae feed on the hornworm is the example of parasitism.
Explanation:
There are five types of relationships in an ecosystem. One of the relationships is parasitism. When we define ecosystem, we talk about the kind of interaction that there is between two or more different species.
Parasitism is the type of interaction between two species, in which one species, most likely a parasite, latches itself onto the other species. That other species then becomes a host to the parasite. After latching itself, it becomes dependent on it's host for resources like food and shelter. But, in this type of relationship, the host species is harmed for resources while the parasite species gains strength over time.
Answer:
B) cytoplasmic streaming in hyphae
Explanation:
Fungal mycelium refers to the branched vegetative structure of the fungi which is formed by the growth of the hyphae. The hyphae contain three zones of growth: the apical, subapical and zone of vacuolation.
The hyphae grow in the apical region which forms a branched structure in which the cytoplasm continuously moves between the hyphae at the point of fusion towards the growing tip. This movement of the cytoplasm towards the growing tip is known as "cytoplasmic streaming".
This streaming of cytoplasm is responsible for the formation of a zone of vacuolation and the mycelium is formed.
Thus, Option-B is the correct answer.
The growing tip eventually gives rise to a branch. This is the beginning of the branched mycelium. Growing tips that come in contact with neighbouring hyphae often fuse with them to form a hyphal net. In such a vigorously growing system, the cytoplasm is in constant motion, streaming toward the growing tips. Eventually, the older hyphae become highly vacuolated and may be stripped of most of their cytoplasm.
