The two structures that limit transpiration are known as
a. Guard cells and xylem
b. Stomata and guard cells
c. xylem and phloem
d. stomata and phloem

What is the role of the phospholipid belayer in cellular transport in living cells

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.