99.9 percent
Of all species that have existed on Earth, 99.9 percent are now extinct. Many of them perished in five cataclysmic events.
The best and most correct answer among the choices provided by the question is the first choice. The plant group that evolved most recently are the gymnosperms and angiosperms. I hope my answer has come to your help. God bless and have a nice day ahead!
Answer:
They realize that some nonliving things can act as though they are alive! ... They place aquatic Elodea plants in test tubes full of aquarium water and expose the ... Next, students predict what will happen if samples of both solutions are allowed to dry. ... students if they would expect AM or FM car radios to fade out more
Explanation:
Lab Test. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... why is the BTB green ... why did the btb change colors in some test tubes ... when you began the experiment was there co2 in the water, where did it go
Answer:
The element carbon is actually the chemical basis for all life. It is the most important because it can be used to form many essential compounds.
Carbon takes up almost 20% of the weight of an organism, and it is essential for them to live and grow. (Also to reproduce.)