Abnormal excess of erythrocytes resulting in an increase in blood viscosity 1. thrombocytopenia 2. embolus 3. anemia 4. polycythemia 5. leukemia

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.