Territorial Behavior

This is a picture of a dog urinating. A dog urinating shows territorial behavior. Territorial behavior is when an animal protects their territory by marking it with their scent. By urinating, the dog is marking his territory by releasing his scent to assert his dominance. Other dogs bark or bite people or other animals if they go near their territory or possession.    

Pollen

This is a picture of a flower. Flowers contain pollen. Pollen is a yellow powder that is released by flowers. It is part of the male reproductive organ in a flower which is located in the stamen. Pollen is used to fertilize the ovule. It is moved by the wind or insects, such as bees or butterflies. 

Niche

This is a picture of a nest. This nest represents a niche. Niche refers to the area an organism or organisms inhabit. Nests are inhabited by birds who use nearby twigs and mud to create their home. Birds use their surrounding resources in order to create their nest.

Mutualism

This is a picture of a person with a plant. The person and plant represent a mutualism relationship. Mutualism is relationship that benefits two different living organisms. Humans and plants have this relationship since humans breath in the oxygen that plants produce while plants use the carbon dioxide that humans exhale. They both benefit from each other. 

Modified Root Of A Plant

This is a picture of beets. Beets are examples of a modified root of a plant. A modified root is a root which is changed to make it easier for the plant to survive in its environment. There are several different types of modified roots, but beets are classified to be storage roots. Beets are used to store more nutrients and water for harmful conditions. 

Long-day Plant

This is a picture of spinach. Spinach is one example of a long-day plant. Long-day plants need less darkness to bloom or thrive. Spinach thrives in the long days of summer which is why there is an abundant of them during the sunny season.

Homologous Structures

This is a picture of an arm. A human arm is an example of a homologous structure. Homologous structures are organs or bones that are similar in multiple animals which suggest that they have a common ancestor. A human arm contains wrist bones, fingers, ulna, and a radius. These features have also been found in other animals such as bats making it a homologous structure.