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Which tools would Sara use to find an irregularly shaped object's mass and volume?- a meter stick, a ruler, and water- a meter stick, a balance, and water- a balance, water, and a ruler- a balance, water, and a beaker

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Mullet are local Estuarine Fish that move in schools and feed on Plankton and Plant Matter. Natural Predators of the Mullet include spotted Sea Trout, Sharks, Pelicans and Dolphins. The Graph below shows how the number of Mullet in an area has changed over time​. Based on the Data, one student concludes that a new predator was introduced into the area during this time-period. Which of the following is a likely alternate explanation for the change in the Mullet Population? ​A. Mullet Prey increased in the area​B. Mullet Parasites decreased in the area​C. The Temperature of the area increasedD. The amount of Aquatic Plants in the area decreased
Rainbow Trout need at least 6.0 mg/L of Dissolved Oxygen to survive. Biologists are trying to reestablish Rainbow Trout in a mountain stream, but the stream only has 5.5 mg/L of Dissolved Oxygen. Which of the following would be the most useful to encourage the development of the Rainbow Trout Population? (SC.912.L.17.2)a. Remove the dams along the stream to allow the water to flow faster.b. Create more bends in the stream to allow water to slow down.c. Cut down Trees along the stream to allow more Sunlight to warm the water.d. Pull out Aquatic Plants growing in the stream to allow Oxygen to accumulate.
The Graph shown represents the population growth curves of two different Species of Organisms, A and B. What is a valid prediction based on this Graph? (SC.912.L.17.5)a. Organism A will eliminate Organism B after 1 year.b. Organism A will not be present in the winter months.c. Organism B will attain maximum population size each autumn due to a decrease in Temperature.d. Organism B will decrease in population size approximately 1 month after a decrease in the population size of Organism A.

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