Which was charles darwin’s contribution to the study of biology?
a.) he was the first person to recognize that organisms change over time.
b.) he believed that organisms adapted through the inheritance of acquired traits.
c.) he explained how traits are passed from parents to offspring.
d.) he proposed that natural selection is the primary mechanism of evolution.

The answer is D: He proposed that natural selection is the primary mechanism of evolution.

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.