During the process of succession, a. only producers can enter a developing ecosystem. b. producers typically enter a developing ecosystem before consumers. c. only consumers can enter a developing ecosystem. d. consumers typically enter a developing ecosystem before producers.

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Which of these reproductive method is the only on available to mosses and fernsspores