Answer:
B. F1
Explanation:
Plants used in first-generation crosses were called P, or parental generation, plants (Figure 8.3). Mendel collected the seeds produced by the P plants that resulted from each cross and grew them the following season. These offspring were called the F1, or the first filial (filial = daughter or son), generation.
Explanation:
Biological fitness, also called Darwinian fitness, means the ability to survive to reproductive age, find a mate, and produce offspring. Basically, the more offspring an organism produces during its lifetime, the greater its biological fitness
The answer would be b .. i think . i hope this helps
A retrovirus is a virus composed of RNA. It has reverse transcriptase, which allows them to transcribe their RNA into DNA after they gain entrance in a cell. That DNA will then integrate itself into the chromosomal DNA of the host cell.
One well-known example of a retrovirus is HIV.
Hope that helped you.
Because that is what is forming the landforms in the world.
