Paliozoic era- sea life
Mezazoic era- dinorours
Centozoic era- current time
Answer:
Rocks from retreating glaciers
In genetics, gene expression is the most fundamental level at which the genotype gives rise to the phenotype, i.e. observable trait. ... Such phenotypes are often expressed by the synthesis of proteins that control the organism's structure and development, or that act as enzymes catalyzing specific metabolic pathways.
Answer:
A
Explanation:
B can be supported with surveying people,
C can be supported by inspecting Grass under a microscope
Survival of the fittest. If one organism thrives better in an enviornment and the other organism struggles, the one that is more adapted will obviously play a part in helping the less adapted organism die out. Food is a major point along with other aspects
