Explain how a nerve impulse travels.

Where are you likely to see connotation used? A. medical journals B. advertisements C. university lectures D. technical manuals

What is the lowest level of organization in the environment? organism community population species

Which processes happen in the kidney? Check all that apply. production of urine storage of urine production of enzymes that break down food filtration of waste material from blood reabsorption of sugar and water

Water is crucial to all life essential to all life not that important found on most planets

Atoms of nonmetals have a tendency to __ or__ electrons when they react.

One Significant Figure Two Significant Figures Three Significant Figures Four Significant Figures 200 | 0.01 || 20 22||20. 1,230|| 8.88 || 136 155.6 || 1,245 8.880 One significant figure 200,0.01,20 Two significan figures 22, 20.

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? (a) He decreased the density by increasing the volume.

Why do cells need to divide? A. contain to many chromosomes. B. Cells need to get rid of waste products. C. cells cannot live unless they divide often. D. Cell division is how organisms grow

Which of the following is not part of the carbon cycle? -Photosynthesis in plants -Respiration in plants -Evaporation of water from the oceans -Decay of plants

What would happen if a keystone species is removed from an ecosystem