Filler Metal is a type of metal used in the fusion welding union, and it is necessary to produce a joint because it serves to collaborate in the opposition, to a greater or lesser degree, against the forces applied to it, without suffering deformation or breakage.
Phylum: Chordata
Class: Aves
Order: Strigiformes
Family: Strigidae
Genus: Bubo
Species: B. scandiacus
from species down we have:
species
population
organism
organ system
organ
tissue
cell
organelle
macromolecule
molecule
atom
elementary particle
I hope this helps you.
DNA is from our generation, all to the beginning, therefore we may inherit traits of our ancestors.
Answer:
Why are embryos used in medical research?
Stem cells can be obtained at the early stages of embryo development; these cells are called human embryonic stem cells (hESC). They also could be used in research to develop drugs to treat serious diseases, or to repair organs following a stroke or heart attack.
Answer:
B
Explanation:
Because that answer proves that all organisms do come from similar ancestors.
