Need Help In Bio The maximum density of water occurs at approximately 4°C. What effect does this property of water have on ecological systems?

a Animals find cold water more nourishing than warm water.
b Fish and other aquatic life can survive in deep water when lakes begin to freeze.
c Water vapor in the sky condenses once it reaches 4°C and falls as rain.
d Cold streams are less erosive than warm streams.

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.