Plant communities change over time. What is the difference between primary and secondary succession?

Answered below

Explanation:

Primary succession occurs in an environment that is not habitable and is newly formed. Pioneer organisms are organisms which start to colonize these environments for the first time.

Secondary succession on the other hand is an ecological succession taking place in an environment or ecosystem that was disrupted but is then recolonized by other organisms.

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.