In order for hormones like auxin to be used as a chemical signal within a plant it must travel through the xylem to reach the site of activity.
Answer the following statement true (T) or false (F)
False
Auxin will travel through the phloem to reach the site of activity.
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The amount of phenotypic variation in a group that is due to genetic variation is called heritability
Indicate whether the statement is true or false
The extinction of dinosaurs was probably due to the breakup of Pangaea and the resulting cooling of
the world's climate.
Indicate whether the statement is true or false.Four of the five answers are reasons why larger islands will have more species. Select the exception
a. Larger islands offer more habitats. b. More colonists will happen upon a larger island simply by virtue of its size. c. Larger islands are further away from mainland. d. Big islands can support larger populations of species than small islands. e. Larger populations on big islands are less likely to become extinct.
Four of the five conditions listed below are caused
by recessive genes. Select the exception. a. Huntington disease b. phenylketonuria c. color blindness d. hemophilia e. albinism