Answer:
That hemoglobin is the substance that transports oxygen..
Answer: Photosynthesis
Explanation: Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.
Echinoderms are most closely related to chordates because both are: <span>D)Ectotherms</span>
Answer: Carcinogens
Explanation:
Carcinoids refer to a specific type of slow growing tumor, tumors are the cancerous growths within a body, and sarcomas are tumors that occur in bones and soft tissues.
