I think it’s D vacuoles, I’m not certain but it don’t hurt to try if it’s not that try A
Answer c
Because the lowest one is at the bottom near 5 and the top one is on 25m and for it to be at 11m will be the wrong answer.
Answer:
those are homologous structures, they share a common ancestor, they have similar bones but different functions
Answer:
Even the keeping of animals as pets represents a type of mutualism. Pet dogs (Canis familiaris) and cats (Felis catus) are fed and kept safe in domestication, while humans benefit from the companionship of these animals, and sometimes from other services, as when cats kill pest rodents.
Explanation:
Hopefully this helps :)
Answer is a. he projections are trichocysts, released for the self-defense of the <em>Paramecium</em>.
When <em>Paramecium</em> is stimulated by chemicals such as picric acid or an injurious enemy, it responds by throwing out transparent spine-like projections called trichocysts. The discharge of trichocysts forms an effective barrier round the animal and protects it from acid or enemy.