Answer: C. 1.8
Steps:
25x = 45
x = 45/25
x = 1.8
The fly species Drosophila santomea is found only on a single small island. Thus, this fly is considered to be "Endemic".
Answer:
The most diverse group of seedless vascular plants are <u>the ferns .</u>
Explanation:
Ferns -
Ferns are the most advance seedless vascular plants and is the most diverse group . Ferns have branching roots and large leaves . But the whisk ferns , have lack of roots and leaves due to evolutionary reduction . In the process of evolutionary reduction , the natural selection reduces the size of the structure which no longer favors the particular environment . Hence , Photosynthesis in whisk ferns takes place in their green stem .
It is 50% homozygous recessive, and 50% heterozygous
