Which of the following statements best describes the importance of biogeochemical cycles?
a. they explain how adaptations of organisms can change based on environmental pressures
b. they explain how energy moves through trophic levels of an ecosystem
c. they chart how biotic changes destroy unstable ecosystems
d. they show how certain compounds and elements move through the environment and are continually used and recycled
Answers: 3
Biology, 21.06.2019 17:30
In order to clone adult animals, scientists typically begin with a(n)
Answers: 1
Biology, 21.06.2019 22:30
Listed in the item bank are some key terms and expressions associated with the categories seen in the venn diagram. to find out more information about items, some have more details available when you click on them. drag and drop each item onto the proper area of the diagram. if an item describes more than one category, be sure to place it in the overlapping space. viruses are tiny infectious pathogens that cause many different diseases, such as polio, and the flu. though they are similar to one celled organisms in some ways, in many ways they are very different. use the venn diagram below to show the similarities and differences between viruses and living organisms.
Answers: 3
Biology, 22.06.2019 00:00
Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.
Answers: 1
Which of the following statements best describes the importance of biogeochemical cycles?
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