________________ is the basic process by which various plant species develop from a single seed into a plant.

If the soil is loose and has more holes, then it is said to hold a good amount of __________.

• Ploughing is done before sowing seeds so that the soil can hold more amount of oxygen.

_______________ aids as the dissolved oxygen for the growing embryo.

• As water contains oxygen molecule along with hydrogen it can provide oxygen to an embryo.

After imbibition, the activation of ____________ starts the growth process.

• Enzymes are activated to start growth after imbibition.
• Imbibition is a type of diffusion which occurs in liquids.

The embryo grows rapidly, rupturing the covering layers and allowing the ___________ to emerge.

• Embryo allows radicle to emerge as it is a Root making part of a seed.

_________ aids by giving protoplasm with the essential hydration.

• Water aids protoplasm to give hydration.

Predators are more likely to target ___________ birds in a species.

Birds use colors and patterns to ___________ their own species.

Colors can help birds ______________ themselves from predators.

______________ plumage may be worn for the full spring and summer in certain species, while it may only be worn for a few weeks in others.

___________ is a bird with a rare but not unheard-of plumage variation, such as very light or very black plumage, which is commonly a sign of leucism or melanism.

Pick the odd one out.

Melanism is the only genetically programmed plumage coloration system that is controlled directly at the cellular level.

Pick the odd one out.

Pick the odd one out.

Pick the odd one out.