biology

posted by .

in response to shortened day length and cool temperatures, many trees begin a period of senescence when the breakdown of chlorophyll exceeds chlorophyll production. the leaves of these trees change to yellow and orange. using your knowledge of photosynthetic pigments explain the sours of these yellow-orange hues.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    I'v been looking all over the web, but I can't seem to come up with a good response to this: "Describe 2 ways in which maple trees are suited to survive through the winter." Any ideas?
  2. Biology

    1)Animal cells prefer to be in isotonic solution, while plant cells prefer to be in hypotonic solution. Explain what this means and why it is so. 2.) In terms of Gibbs free energy, what does “unstable” mean?
  3. Math

    A spinner is divided into 8 equal sections, Each section is either blue or yellow. THe spinner was spun 40 times. It landed on a yellow section 10 times. Which proportion can be used to find the number of sections Y, that could be …
  4. Geography

    What is the difference between coniferous and deciduous trees?
  5. science

    The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. …
  6. science

    The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. …
  7. 103 Logic

    14. Deciduous trees are trees that shed their leaves. Maple trees are deciduous trees. Therefore, maple trees will shed their leaves at some point during the growing season. (Points : 1) A. Deductive B. Inductive
  8. Algebra

    Mrs. Delgado has some young orange trees. He wants to plant them in 46 rows. If t is the total number of orange trees, write an algebraic expression to represent how many trees he can plant in each row. Please help write the expression. …
  9. Algebra

    Mr. Delgado has some young orange trees. He wants to plant them in 46 rows. If t is the total number if orange trees, write an algebraic expression to represent how many trees he can plant in each row.
  10. Biology

    You find 3 trees where each tree gives a different coloured fruit: red, pink or orange. You perform crosses between all three trees and get the following results: P: red x pink ---F1: ½ red: ½ pink P: red x orange --- F1: ½ red: …

More Similar Questions