1. Which of the following statements about the nitrogen cycle is false? A. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+)
B. Denitrification by bacteria converts nitrates (NO3-) to nitrogen gas (N2).
C. Nitrification by bacteria converts nitrates (NO3-) to nitrites (NO2-).
D. Nitrogen-fixing bacteria convert nitrogen gas (N2) into organic compounds.

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

How does friction with the atmosphere affect the speed of an artificial satellite

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae