Developmental genetics is the study of how genes control the growth and development of an organism throughout its life-cycle. Genes code for proteins, and proteins build bodies: a salmon fry hatching from an egg.
answer: binary fission
binary fission is when a single celled organism divides to asexually reproduce two new organisms
The cow is a Primary Consumer since it feeds off the Grass.
The grass is a Producer since it's an autotroph (Can make its food through Photo synthesies. )
The Mushroom is a decomposer since it's a fungus.
And lastly, the man would be a Tertiary consumer since most of us are omnivores.