Which of the following statements is consistent with the assertion that protists are paraphyletic?

a. protists all share a common set of synapomorphies
b. protists are all having more primitive characteristics than land plants and animals
c. multiple protist lineages evolved into complex eukaryotic groups (e. g. animals, plants, fungi)
d. protists do not share a single common ancestor

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