Which characteristic is common to both unicellular and multicellular algae?
a) presence of a flagella for locomation
b) presence of chlorophyll a for carrying out photosynthesis
c) cell walls made of cellulose

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.

3differences between bacteria and other 2 cells

Consider the table. types of bacteria form shape associated disease coccus x strep throat bacillus rod shaped y spirillum spiral cholera which best describes x and y?