From top to bottom, what is the correct order of the layers of cells in a leaf? 1.the epidermis, guard cells, palisade mesophyll, spongy mesophyll, and epidermis again

2.xylem, phloem, guard cells, spongy mesophyll

3.the epidermis, spongy mesophyll, palisade mesophyll, and epidermis again

4.the epidermis, palisade mesophyll, spongy mesophyll, and epidermis again

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. agouti x albino a) 1/2 albino, 1/2 agouti b) all agouti c) 3/4 agouti, 1/4 albino

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?