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Question 1 2 pts Which biome consist of very little precipitation, hot summers, experiences cold winter and composed of few low-lying plants such as cacti or lack of rich vegetation? O Savanna Temperate forest Tropical Rainforest Chaparral Desert D Question 2 2 pts Which of the following is not a freshwater biome? O Rivers Ponds Estuaries Lakes
Question 3 2 pts In an aquatic ecosystem, what name is given to the region where light can penetrate? Twilight realm Photic realm Aphotic realm Pelagic realm Benthic realm Question 4 2 pts Why are most energy pyramids limited to 3 to 5 levels? The nutritional quality of existing biomass increases with increasing trophic levels. The higher the trophich level, the larger the organisms; the larger the organisms, the less likely it will be prey There is insufficient energy to support more trophic level due to the decrease in nutritional energy as we increase trophic level Energy pyramids, which are limited to no more than five levels do not accurately represent the energy dynamics of a food web, in which there often are more than five trophic levels. Most ecosystems have insufficient space to support the increased number of organisms that more trophic levels would require