Why does the trachea not collapse but oesophagues collapses when fod is not

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

What must be done to breed dogs for a partical trait

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity