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This testa probably reduced the rate of water loss and protected the embryo from physical injury.
In four instances, the testa was removed from one end of the seed and the fleshy cotyledons eaten from the centre.
In both species, seeds lacking testae began to soften about day 8, were often attacked by fungus, and had rotted completely by day 10.
In this work, emphasis is placed on the existence of seed mutants having major alterations in characteristics of the testa and hormonal response.
The testa epidermis is peculiar in that the outer walls of dry seeds are invaginated, while they bulge outwards in wetted seeds.
Seeds were considered germinated when the embryo had just ruptured the testa.
It is, therefore, tempting to ascribe more rapid completion of germination to an ethyleneinsensitive testa developing in an ethylene-insensitive environment.
Progress of testa rupture is facilitated by channels underlying the ridges.
Managing Your Emotions
What makes me angry?
Mostly，l hate when someone tries to make someone else feel bad.
I have to admit that once, when l was actually called names.
l regretted doing this afterwards, but not full heartedly because l think l was provoked in that situation.
The most postive way of dealing with anger is talking about the problem.
l talk to someone who listens, or l'll write my thoughts down on paper.
Learning how to deal with anger as you're growing up is so important.
When you're younger, you might yell,or cry when you're angry, but as you get older, you're expected to handle your emotions much better.
Learning to control your emotion now will prevent you from doing something that you'll regret later on in life!
