The first organism to live in an ecosystem often lichens?
Primary secession
Climax community
Secondary succession
Pioneer species
Fire- climax community
Ecological succession

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?

What is the primary function of the nervous system?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees