B, because all have similarities, not just some
Answer:
Locomotion and feeding
trapping dust
Explanation:
Paramecium is an organism that belongs to kingdom protoctista. They swim in water through beating of the cilia. They also feed on tiny organisms that are swept into the oral groove through beating of the cilia.
During gaseous exchange in mammals, along the nasal passage are cells with cilia that trap dust particles and beats to move mucus and dust trapped up to the larynx.
Answer:there would be a larger population of producers
Explanation:
Since there needs to be primary consumers, the population of producers needs to be plentiful in order for the primary consumers to survive.
Answer:
B.Trees C.Animals & D.Plants are all biotic factors
Explanation:
A biotic factor is a living factor on an ecosystem, the sun is an abiotic factor because it is nonliving.