humans cannot impact one of Earth's systems without impacting the others because Earth's systems are interconnected. They interact with each other, moving matter from one system to the other. Changes to the atmosphere brought about by human activity eventually lead to changes in the biosphere and hydrosphere.
Answer:
Mice and rats make up approximately 95% of all laboratory animals, with mice the most commonly used animal in biomedical research.
Answer:
atomic number
Explanation:
the number of protons tell us the atomic number
Answer:
Intraspecific competition
Explanation:
Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area.
dna, genes, animo, to acids
