In many mammals, a developing embryo is nourished through the , is a connection with the mother. Later, a newborn takes in food produced by the of the mother. Unlike a young mammal, an insect or amphibian undergoes which is a series of dramatic changes in body shape and form. PLS HELP

In many mammals, a developing embryo is nourished through the placenta. is a connection with the mother. Later, a newborn takes in food produced by the blood artilleries of the mother. Unlike a young mammal, an insect or amphibian undergoes metamorphosis which is a series of dramatic changes in body shape and form.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !