Answer:
The answer is rocks.
Explanation:
Since the main source of phosphorus is found in rocks, the first step of the phosphorus cycle involves the extraction of phosphorus from the rocks by weathering.
Answer:
Homology is a study of similar characters found in two species because of common ancestry.
Explanation:
1.Morphological homology: Species placed under same taxonomic category exhibit similar anatomical structures.
2.Ontogenetic homology: Species belongs to same taxonomic category embryological similarities
3.Molecular homology: Species show molecular similarities such as DNA,RNA and protein
An example of homology is seen in the skeletal strycture of vertebrates. That is arm of a human,leg of a cat,fin of a whale and wing of a bat.
The Gibraltar rock is a limestone, therefore it is a sedimentary rock. Sedimentary rocks are made by the dethronement and squeezing of small fragments.dimentary rock. It has sediments.
Because of the genetic mutation, or the possibility of the offspring have a genetic disorder.
Only one of the original DNA strands acts as a templates during replication.
