The diagram shows the life cycle of a fern. Which labels belong in the areas marked 1 and 3?

The life cycle of the fern has two different stages; sporophyte, which releases spores, and gametophyte, which releases gametes.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.