Protostomes develop a mouth first and then an anus. This is the difference between protostomes and deuterostomes.
In protostome development, there is a spiral radical and indeterminate cleavage. The blastopore becomes the mouth and the coelom forms from the mesoderm.
In deuterostomes development, radial and indeterminate cleavage takes place. The blastopore is the new anus and the coelom forms from budding off the wall of the archenteron.
It is called it's "Relaxation Period" and actually it is the <span>time during which tension is removed from the </span>muscle.
In short, Your Answer would be Option A
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Answer:
The answer is posted below!
Answer:
A. Layers that cut across the most other features are youngest.
Explanation:
Using the principles of cross-cutting relationships, you can determine the relative age of rocks found in the ground. The idea behind it is that the geologic feature which cuts another is the younger of the two features, and it had been around for 400 years. It's not very precise but it is good for determining relative age.
It’s proximity to the Pacific Ocean.
Explanation: Vancouver has an oceanic climate and has, in winter, the second highest average temperature in the country, just behind Victoria. Its summer, however, is one of the mildest in the country.