The temperature is nearly uniform throughout a lake

A. at all times due to winds causing constant mixing of the layers.
B. never. The lake always has different temperature layers and they are reversed in winter and summer.
C. during winter when the ice forms an insulating cover.
D. by the end of the fall and spring overturn.
E. during summer when the sunlight warms the surface and the wind mixes the layers.


Answer: D

Biology & Microbiology

You might also like to view...

Which of the following statements about the causes of extinction are true? Check all that apply.  

_____  Probability of extinction varies inversely with population size. _____  Ten 10-hectare habitat patches is not the same as one 100-hectare patch. _____  Habitat loss is currently the major cause of extinction. _____  The prehistoric megafauna of North America were spared from extinction because they coevolved with humans. _____  Probability of extinction is greatest for an endemic species.

Biology & Microbiology

A decrease in ________ is indicative of a restrictive pulmonary disease.

A) vital capacity B) minute ventilation C) forced expiratory volume D) tidal volume E) residual volume

Biology & Microbiology

In the figure above, the honeycomb on which

the bee is standing is made up primarily of which of the following:a. carbohydrates b. nucleotides c. proteins d. lipids e. amino acids

Biology & Microbiology

When straightening the arm, the triceps is acting as a(n) _____

1.antagonizer 2.extensor 3.flexor 4.stabilizer

Biology & Microbiology