Joining a scion with useful fruit traits to a stock with useful root traits is called
a. fragmentation.
b. protoplast fusion.
c. somaclonal section.
d. grafting.
e. apomixis.
D
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How do nastic movements differ from tropisms?
A. Nastic movements are slower than tropisms. B. Nastic movements only occur in the dark. C. Tropisms are directional responses to directional stimuli; nastic movements are the same regardless of the direction of the stimulus. D. Nastic movements happen after a stimulus, tropisms happen during a stimulus. E. Nastic movements are not reversible.
Earthworms have a mouth and an anus, but they also excrete liquid wastes. Through which of the following structures do they secrete nitrogenous and other wastes?
a. exosome b. tube cell c. nephridiopore d. Malpighian tubules
Articular cartilage
What will be an ideal response?
Use the word bank to identify the labeled structures on this diagram of the heart:apex, pulmonary trunk, aorta, right atrium, inferior vena cava, left pulmonary veins, right ventricle, left atrium, left subclavian artery, right pulmonary veins, left ventricle, right coronary artery, left common carotid artery, left cardiac vein, brachiocephalic artery, right pulmonary artery, superior vena cana, left pulmonary artery.
a.________j.________b.________k.________c. ________l.________d.________m.________e.________n________f.________o.________g.________p.________h.________q.________i.________r.________
What will be an ideal response?