Author Question: Charles and Francis Darwin concluded from their experiments on phototropism by g (Read 846 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
Charles and Francis Darwin concluded from their experiments on phototropism by grass seedlings that the part of the seedling that detects the direction of light is the
A) tip of the coleoptile.
B) part of the coleoptile that bends during the response.
C) base of the coleoptile.
D) cotyledon.
E) phytochrome in the leaves.



clippers!

  • Hero Member
  • *****
  • Posts: 828
I chose A and got the answer, hope that helps.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Cyanide works by making the human body unable to use oxygen.

For a complete list of videos, visit our video library