« previous next »

Author Question: Heartwood and sapwood consist of A) bark. B) periderm. C) secondary xylem. D) se (Read 703 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?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

The thick bark of the cork oak of the Mediterranean region protects the tree from fire. The thick bark of the cork oak of the Mediterranean region protects the tree from fire.
Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
The a helix, a common secondary structure in proteins The a helix, a common secondary structure in proteins
When checking a waste spark-type ignition system, check that the secondary wires are attached to the ... When checking a waste spark-type ignition system, check that the secondary wires are attached to the ...
Secondary growth Secondary growth
RUSP 25 Secondary Conditions for Newborn Genetic Screening RUSP 25 Secondary Conditions for Newborn Genetic Screening
Video: Effect of blood chemistry - stimuli, hyperventilation response and hypoventilation response

For a complete list of videos, visit our video library