Usually, animal cells do not have vacuoles. But, when they do, those vacuoles are included in the processes of vesicular transport: exocytosis and endocytosis. Their role is to support that type of transport: vacuoles are storage vesicles for proteins and lipids that have to be containment, before their excretion (through the exocytosis). On the other hand, during endocytosis (materials brought into the cell) engulfed material is also located in that membrane-enclosed vacuole.
It should be the trophic level..
Answer:
Parasitism: one species is benefitted and the other is harmed. So it is a negative interaction.
Commensalism: One species is benefitted while the other is neither harmed nor benefitted.
Mutualism: Both the species are benefitted by the interaction.
Explanation:
Parasitism is negative interaction
Commensalism and mutualism are positive interactions
Answer:
If there are no plants in the tank, they will run out of oxygen because there is nothing producing oxygen.
Explanation:
