Occurs in a place that had no ecosystem before.
A. Secondary succession
B. Pioneer species
C. Ecological succession
D. Primary succession

The answer is D
Not C

5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.

Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells