Dr. roberts examined the cells of four different organisms for the presence of various cellular structures. his observations are recorded in the table below. (an "x" indicates that the structure is present in the cell.)
cell
membrane cell wall chloroplasts mitochondria nucleus ribosomes vacuoles
1 x x x x x x x
2 x x x x x
3 x x x
4 x x x x
using the information in the table, which of the cells most likely came from an animal?

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

What is the importantence of the carbon and nitretan cycles in the environment

What abo controlling alleles could kim give her child