#1 How is the nitrogen cycle
similar to the carbon cycle?
They are both used by plants, as either CO, or
Ny, to create oxygen.
Both elements can be used to creale larger
molecules but cannot be broken down again.
Both are "fixed" by eukaryotes
Bements are removed from the atmosphere
and then used by organisms to create larger
molecules necessary for life.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos