1.what weakens coral exoskeletons? excess salt excess co2 excess sunlight excess fishes 2.a quarter of marine life lives in which type of ecosystem? fish zooxanthellae coral reef ocean 3.what do corals provide for zooxanthellae? food sunlight a source of oxygen a protective area

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

What happens when a plant is losing too much water through transpiration? question 14 options: stomata open stomata close guard cells swell respiration increases