If it's the first mammal on earth then it's a type of reptile not pretty sure the name and what it looks like but it's a type of reptile for sure even though generation to generation we Been evolve by different types of mammal but before they where all fish a type of fish idk yet though lol.
The name of the process that needs energy (adenosine triphosphate, or atp) for nutrients that were digested to be absorbed through the small intestinal wall into the bloodstream or lymphatic system is called active transport. This process involves the movement of particles in a membrane from a lower concentration to a higher concentration with the aid of an external source like energy or enzymes.
Organisms that cause disease are carriers. Such as ticks, fleas, lice.
This includes all animals apart from the subphylum Vertebrata. Familiar examples of invertebrates include insects; crabs, lobsters and their kin; snails, clams, octopuses and their kin; starfish, sea-urchins and their kin; and worms. The majority of animal species are invertebrates; one estimate puts the figure at 97%.
