The remora remora, or fish , often attaches to larger organisms such as sharks and whales through the use of a specialized . this interaction enables the remora to feed the scraps of food that remain from the larger organism's meal. typically, the larger organism is unaware of, and unaffected by, the remora. which type of interaction occurs between the remora and its host organism?
(a) mutualism
(b) commensalism
(c) parasitism
(d) competition

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens