Which cell or structure provides structural support for increased plant height?

a. phloem

b. xylem

c. stomata

d. cuticle reset selection?

Which is not a harmful effect of loss of biodiversity? A) loss of predators means an increase in pest populations B) water purification is hindered C) the hole in the ozone increases D) soil formation is impaired

If the RNA molecule in a human has the nucleotide sequence of GUU, this would indicate that the amino acid valine would be needed to make the protein. How would this change if this process was occurring in a mushroom?

I'm which situation would you see a partial lunar eclipse? A) The entire moon passes through earths shadow B) The moon passes between earth and the sun C) A portion of the moon passes through earths shadow D) The moon lies completely outside of the

All cells have the same genetic information, but do not express the same genes. How is this possible? a. The differences are due to gene expression, which can be turned on and off. b.

Add your results to those of your partner to produce a total of 20 tosses. Assuming that you expect ten heads and ten tails in 20 tosses, how close are these results to what was expected?

What would be considered a disadvantage?

Which action by humans could improve the quality of the air? (1) building homes that use only oil furnaces for heat (2) buying cars that get more miles per gallon of gasoline (3) increasing the number of coal-burning power plants that generate

Which of the following do gymnosperms and angiosperms have in common? Check all that apply. sporophyte generation gametophyte generation pollination double fertilization sperm cells swim through water to reach ovule sperm cells travel through tube

Which zone receives the most sunlight? A. Aquifer B. profundal C. benthic D. littoral

Is a remote action system that healthcare professionals use to diagnose illness for rural or remote areas?