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Day 64 Which level has the smallest number of organisms?

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Day 64 Which level has the smallest number of organisms?

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  1. Day 61 As nocturnal animals, opossums are most active at night. Which graph accurately shows the use of glucose, a food moleculeused in respiration, by an opossum’s muscle cells over a two-day period? A or B? Nocturnal animals are animals that are more active at night. What process is shown by the letter X in the diagram? a. evaporationb. condensationc. precipitation

  2. Day 62In an ecosystem, energy from the sun is converted and transferred to all membersof the biotic community.At which level of organization is solar energy converted by photosynthesis?a. cellsb. organismsc. populationsWhen did the bacteria reach the carrying capacity of its environment?a. 0 hoursb. 10 hoursc. 20 hours

  3. Day 63What type of organism is primarily responsible for recycling matter from mountain lions’ bodies back to the soil?a. herbivoresb. omnivoresc. decomposersAll elements in an ecosystem can be classified as biotic or abiotic. Which statement uses the term “biotic” or “abiotic” correctly?a. Biotic factors in a river include flow rate and water depth.b. Abioticfactors in a grassland include cattle grazing and predation.c. Abioticfactors in a corn field include rainfall and soil temperature.

  4. Day 64 Which level has the smallest number of organisms? Which level has the largest number of organisms? Which level receives the highest percentage of energy from the sun? Suppose there are 10,000 units of energy available at the lowest level. How much energy would be at the top level?

  5. Day 65Identify the biotic and abiotic components in the diagram. Hint: biotic abioticbio means lifea- means “not” Identify the type of ecosystem in the diagram below. a. aquaticb. terrestial

  6. Day 66Which would be used to measure the length of oak leaves? Which would be used to compare the mass of the two boxes above?

  7. Day 67 Which of these tools wouldbe most appropriate to use whenmeasuring the width of eachgrowth ring in a tree trunk? A balanceB rulerC stopwatchD thermometer Which unit would be best toexpress the mass of the asteroid?A mgB gC cgD kg

  8. Day 68 Which would most likely be measured in milliliters? A amount of rainfall in a month B length of time of a rainstorm C temperature of rain D mass of a raindrop Sandy grows roses along her walkway. The roses close to the street had more blooms than the roses close to the house. Which statement is a hypothesis Sandy could make about her roses? There were many bloom on the roses near the house and fewer blooms on the roses closest to the street. The roses closest to the street had more blooms because they received more sunlight. The Roses near the house were taller but had fewer blooms.

  9. Day 69 Which of these is used to measure mass? What is the length of this tadpole? a. 2.8cmb. 3.1cmc. 3.5cm

  10. Day 70Bright and colorful markings can be warnings to other organisms to stay away. Which of these fish is likely to be most dangerous to its predators? Which of the seeds above is most likely to be carried by an animal? a. mapleb. milkweedc. dandeliond. cocklebur

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