Answer:
A gene is a unit of hereditary information. ... The short answer is that an allele is a variant form of a gene. Explained in greater detail, each gene resides at a specific locus (location on a chromosome) in two copies, one copy of the gene inherited from each parent. The copies, however, are not necessarily the same.
Answer:
Fossil record
Explanation:
Fossils are remains or traces of former life and not evolution. They are mainly formed from preserved hard parts of an organism but occasionally soft parts are also preserved. Fossils are normally found in sedimentary rocks.
Answer:
I believe it is D. Please correct me if i am wrong.
Explanation:
Hope my answer helps. Have a great day.
Answer/Explanation:
b) kidney and bladder
Kidneys are the main organ in the excretory system and the bladder stores the urine in the body. These are two of the organs that make up the excretory system.
