Which structures are responsible for the movement of white blood cells to engulf infectious bacteria?

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.