Correct answer: C) Nutrients are circulated throughout the biosphere
Biogeochemical cycles are cycles by which essential elements of a living organism are circulated continuously. It consider the biological, chemical, and geological aspect of each cycle.
The most important biogeochemical cycles are nitrogen cycle, carbon cycle, water cycle, oxygen cycle and phosphorous cycle.
Biogeochemical cycle always have a state of equilibrium, and the state of equilibrium is attained when there is balance in cycling of element among the compartment.
The hollow impression of a trilobite is an original remains fossil.
Answer:
Question 1 :
Ans - C
Explain - Binomial system is made up of Genus (Capital letter) and species (small letter).
# order needs to be correct, <em>G</em><em>e</em><em>n</em><em>u</em><em>s</em><em> </em>
species
Question 2 :
Ans - B
Explain - Meat contain protein where enzymes break down protein into amino acids.
Question 3 :
Ans - B
Explain - Enzyme is a biological catalyst where they speed up chemical reaction.