Which type of molecule encodes genetic information in streptococcus pneumoniae

The basic types of tissue in the human body are

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)