Which cells form the stomata?
a. sieve cells
b. guard cellswhat are the loosely packed photosynthetic cells in the leaf called?
a. epidermis
b. guard cells
c. spongy mesophyll
d. palisade mesophyll
c. phloem cells
d. mesophyll cells

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.

Which chemical equation is unbalanced? which chemical equation is unbalanced

What do nitrifying bacteria convert