Is it true that healthy skin is a defense against pathogens because it is free of bacteria?

Evaluate a Solution: How effective was the vaccine in eliminating polio in the short and long term?

Which type of cell has DNA in its nucleus, prokaryotic, eukaryotic, or both?

Autoimmunities are relatively uncommon. What usually happens to autoimmune antibody-producing clones during development

How did science influence war technology

When building in a swampy or marshy area, it is usually necessary to drain the swamp before starting to build. While this is good for people, it may not be for animals that were living in the swamp. Why?

In modern classification system, unicellular organisms that contain chloroplasts and a nucleus would be considered; A) annelids B) protists C) archaea D) chordates

The northern copperhead is Agkistrodon contortrix contortrix, the southern copperhead is Agkistrodon contortrix mokasen, and the cottonmouth is Agkistrodon piscivorous. Therefore, A. all are subspecies of Agkistrodon. B.

What's a primary consumer

After plants absorb energy from the sun the energy gets converted into blank energy for the plant to carry out life activities

A type of succession in which an ecosystem damaged by fire is reestablished