Alice is curious whether her pet iguana is more attracted to brightly colored insects or those with drab colors. she gets 20 drab-colored insects of the same species from the pet store and marks 10 of them with a red paste. all 20 insects are released in her iguana's tank at the same time, and she observes the lizard's response. after five minutes, alice notes that her iguana ate all of the marked insects and only 2 of the unmarked insects. she concludes that her iguana prefers brightly colored insects over those with drab colors. what is another possible explanation for these results?

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