Biology, 13.05.2021 19:20 Terrilady5
In an aquarium filled with plants and fish, the amount of carbon dioxide in the water is decreasing. What process are the aquarium plants doing?
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Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
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Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
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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
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In an aquarium filled with plants and fish, the amount of carbon dioxide in the water is decreasing....
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