A few organisms can tolerate andthrive in a wide range of temperatures.Such organisms are called ___________. A. Osmotic B. Eurythermal C. Stenothermal D. Hydrothermal
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A few organisms can tolerate and
thrive in a wide range of temperatures.
Such organisms are called ___________.
A. Osmotic
B. Eurythermal
C. Stenothermal
D. Hydrothermal
Step by step
Solved in 2 steps
- Examine the figure below and answer the following questions using the letters below (type, A, B, C, or D in the blanks) a. Which zone has the lowest Biological Oxygen Demand? b. Which zone has the lowest Dissolved Oxygen? c. Which zone has the highest Biological Oxygen Demand? d. Which zone shows the greatest change in Dissolved Oxygen? Types of organisms Normal clean water organisms Trash fish Fish absent, : (carp, gar. : fungi, sludge (Trout, perch, bass, mayfly, stonefly) Trash fish (carp, gar,: leeches) worms, bacteria (anaerobic) leeches) 8 ppm Dissolved 8 ppm oxygen (ppm) Biological oxygen demand Decomposition Septic Zone Rec very Zone Clean Zone Clean Zone Zone B C 近What problem is faced by organisms that live in freshwater?a. Their bodies tend to take in too much water.b. They have no way of controlling their tonicity.c. Only salt water poses problems for animals that livein it.d. Their bodies tend to lose too much water to theirenvironment.Evaluate the salt tolerance of the above organisms.a. Tolerates very little salt:b. Tolerates a broad range of salt concentrations:c. Grows only in the presence of high salt concentration:
- Refer to the description and table below to answer the three question that follow: Dissolved oxygen levels from 3 bottles of algae were recorded. The DO level of bottle #1 was recorded immediately after the algae was collected, the DO level of bottle #2 was recorded after sitting for 20 hours wrapped in tin-foil, and the DO level of bottle #3 was recorded after sitting for 20 hours under a lamp. A heat sink was placed over all of the bottles to ensure that temperature did not have an effect on the results. The following data was collected: Bottle Number D.O. Level 8 #1 #2 1 #3 6 4. How many units of oxygen were used for cell respiration by the algae? d. -2 a. 7 b. 2 c. 5 e. -5Refer to the description and table below to answer the three question that follow: Dissolved oxygen levels from 3 bottles of algae were recorded. The DO level of bottle #1 was recorded immediately after the algae was collected, the DO level of bottle #2 was recorded after sitting for 20 hours wrapped in tin-foil, and the DO level of bottle #3 was recorded after sitting for 20 hours under a lamp. A heat sink was placed over all of the bottles to ensure that temperature did not have an effect on the results. The following data was collected: Bottle Number D.O. Level 8 #1 #2 1 #3 6 4. How many units of oxygen were used for cell respiration by the algae? a. 7 b. 2 c. 5 d. -2Marine fish when placed in tap water bursts because of: A. Endosmosis B. Exosmosis C. Diffusion D. Plasmolysis
- Mention any two ways in which organisms tide over unfavourable conditions by suspending their activities.Which of the following substances is NOT classified as “detritus”?A. Dead leavesB. Fecal wastesC. A sheep eating grassesD. Dead body of an earthwormE. Animals’ excretion wastesImagine you are testing water samples from a local pond for pollutants. Your lab instructor sees the results of your dissolved oxygen test and remarks that your water sample has the same dissolved oxygen level as water found near the seafloor of a dead zone. What is the dissolved oxygen level of this water sample? 650-700 ppm 350-360 ppm 80-90 ppm 7-9 ppm 2-3 ppm
- A cell develops a mutation in its potassium channel that prevents the ion from leaving the cell. If the aquaporins are still active what happens to the cell?Which of the following terms describes a passive transport process? Group of answer choices Uphill Endergonic Spontaneous Positive free energy changeWhat problem is faced by organisms that live in fresh water?a. Their bodies tend to take in too much water.b. They have no way of controlling their tonicity.c. Only salt water poses problems for animals that live in it.