(flowering plants, conifers, ferns and their allies) and of Bryophytes. plant species.
mammals, reptiles, grassland animals, freshwater animal, marine animals. animal species
There are 4 bases:
Adenine,
Thymine,
Guanine,
Cytosine.
<span>
three weak hydrogen bonds are between guanine and cytosine bonds</span>
The amount of carbondioxide in the atmosphere would greatly increase if there were fewer plants.
(Plants) is the answer.