Animals that feed primarily on arthropods and other soft-bodied invertebrates are called insectivores. These are carnivorous animals that feed on insects. such animals include lizards, frogs, and spiders. Another alternative are the entomophages, which are humans that practice eating of insects. There are also several species of carnivorous plants, that are insectivorous.
An electronic pulse oximeter, which can be clipped on the bridge of the nose, forehead, on the earlobe, or to the tip of finger, determines the oxygen concentration in arterial blood. Hemoglobin is the protein complex in blood that is responsible for carrying oxygen around the body. The pulse oximeter actually measures the concentration of hemoglobin in the blood and determines oxygen concentration from this value.
Answer:
Natural selection happens to...
A: Species
