Fertilization in all animal species results in formation of a fertilization envelope which:
A. Prevents the zygote from dehydrating
B. Prevents more sperm from fertilizing the same egg
C. Permits the egg to implant in the uterine wall
Answer: B. Prevents more sperm from fertilizing the same egg
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Which letter in the figure above represents the limnetic zone?
a. A b. B c. C d. D e. E
Reptiles are very efficient in conserving water during excretion
Indicate whether the statement is true or false
Hydrocarbons are organic molecules that contain only ______.
A. components found only in crude oil B. carbon and hydrogen atoms C. carbon atoms D. carbon, hydrogen, and oxygen atoms
During an ecology field trip to a lake, your professor asks you to take temperature readings at various depths and record your data. At 5 meters, you note a temperature of 25°C and at 10 meters you record a temperature of 10°C. Readings at 20 meters and below stay fairly consistent around 8°C. The temperature readings of 25°C, 10°C, and 8°C represent the:
A. epilimnion,thermocline, and hypolimnion. B. epilimnion,hypolimnion, and thermocline. C. hypolimnion, epilimnion,and thermocline. D. hypolimnion, thermocline,andepilimnion. E. thermocline,epilimnion, and hypolimnion. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about thermal stratification? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?