This plant that was turned on its side is demonstrating what phenomenon?
1.Gravitropism
2.Thigmotropism
3.Nastic movement
4.Hypersensitive response
1
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Which of the following is not a feature of a seed?
A. The embryo is surrounded by nutritive tissue or has cotyledons that contain nutritive tissue. B. It contains a large percentage of water to support the embryo. C. Environmental signals such as light or temperature can trigger germination. D. It contains a protective coat formed from the outer layers of ovule cells. E. It is a complex structure that allows the embryo to be dispersed to distant sites.
The additive effect of one neuron sending many EPSPs to another neuron over a brief period of time is called spatial
summation.
Indicate whether the statement is true or false.Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?
A. All organisms show heritable variation. B. All organisms reproduce. C. All organisms use essentially the same genetic code. D. All organisms have undergone evolution. E. All organisms require energy.
As a child grows, the lungs increase in size as well. Hypothesize what the pressure of the gases within the lungs would be if the lung volume of an individual goes from 3000ml to 4000ml.
A. gas pressure would decrease B. gas pressure would increase C. gas pressure would be unchanged