B) They permit exchange between the external atmosphere and the circulatory system.
A pseudounipolar neuron is a sensory neuron in the peripheralnervous system that contains a long dendrite and a short axon. The cell body of the pseudounipolar neuron is located within a dorsal root ganglion. The difference with the bipolar neuron is that the bipolar has two extensions.
The last common ancestor of gymnosperms and angiosperms possessed the same characters such as pollen, seeds, and vascular tissue.
<h3>What are angiosperms and gymnosperms?</h3>
The gymnosperms are a group of plant that are known as seed- producing plants such as Ginkgo, gnetophytes, cycads etc.
Angiosperms are the plant that produces flowers and having seeds enclosed within their fruit.
Gymnosperms have no production of flowers and fruits and they contain seeds without cover on the surface of their leaves.
Therefore,last common ancestor of gymnosperms and angiosperms possessed the same characters such as pollen, seeds, and vascular tissue.
Learn more about angiosperm and gymnosperm here:
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Answer:
During this time our food production has grown even faster than our population
Explanation:
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