Answer:
they graze through the water slowly with mouth opened
The correct answer is parasitism.
Parasitism, in the field of evolutionary biology, refers to an association between species, where the parasite, the organism, lives on or in another species, the host, creating some kind of harm in it, and is amended structurally to this way of life.
The parasites include protozoans, like as the agents of sleeping sickness, malaria, and amoeba dysentery; animals, like lice, hookworms, mosquitoes, and vampire bats; fungi, like the agents of ringworm, honey fungus; and plants, like dodder, mistletoe, and the broomrapes.
Bottled water because people throw the empty bottles on the ground and animals get caught in it and hurt themselves or they mistake it as food and they eventually fill up their stomachs with it and they cant eat or drink anything to survive
The nucleus of an atom is the Central part of the atom, it is made up of nucleons, and is surrounded by the electron cloud