« previous next »

Author Question: Heartwood and sapwood consist of A) bark. B) periderm. C) secondary xylem. D) se (Read 693 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Aug 12, 2013
Heartwood and sapwood consist of
A) bark.
B) periderm.
C) secondary xylem.
D) secondary phloem.
E) cork.


aero

  • Hero Member
  • *****
  • Posts: 512
Reply #1 on: Sep 2, 2013
Most likely C, we did this yesterday.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Primary, secondary, and tertiary endosymbiosis. Primary, secondary, and tertiary endosymbiosis.
Hillig and Mahlberg's analysis of secondary metabolites in the genus Cannabis Hillig and Mahlberg's analysis of secondary metabolites in the genus Cannabis
When checking a coil-on-plug (COP) assembly, check that the primary and secondary wiring looks ... When checking a coil-on-plug (COP) assembly, check that the primary and secondary wiring looks ...
Secondary Active Transport Secondary Active Transport
Female Reproductive System - Secondary follicle Female Reproductive System - Secondary follicle
Xylem vessels Xylem vessels
Video: Contraction cycle of a sarcomere

For a complete list of videos, visit our video library