Mr Z is building a greenhouse at his house to protect his plants from all the bugs that live in his garden. He is at Bunnings purchasing his materials and can’t decide whether to construct his greenhouse out of glass or tin. What information does he need to know to help him with this decision?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

Which part of the spine is likely to cause a nerve signal to travel faster? a. backbones b. white matter c. nuclei d. gray matter