Plz help me pretty please.

1: minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells

2:the central and most important part of an object, movement, or group, forming the basis for its activity and growth.

3:the semipermeable membrane surrounding the cytoplasm of a cell.

4: the powerhouse of the cell

5:an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.

6:complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport

7:small dense spherical structure in the nucleus of a cell during interphase.

8:any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies.

9:small fluid-filled bladder, sac, cyst, or vacuole within the body.

10:network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?