Answer:
Rate = 2 cm/year
Explanation:
It is given that, a plate moves 200m in 10,000 years. We need to find its rate in cm/year.
We know that, 1 m = 100 cm
200 m = 200 × 100 cm
= 20000 cm
Its rate is given by :
So, the plate is moving at a rate of 2 cm/year.
In anaphase I, homologouspairs are separated but sister chromatids stay joined together. <span>The "I" in anaphase I refers to the first round of cell division, which resembles ordinary mitosis. So in anaphase I, the homologous pairs separate but the sister chromatids stay together. Then the cell goes directly into a second round of cell division - in anaphase II, the sister chromatids are separated into four (now haploid) cells.</span>
Answer:
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Answer:
The correct answer is - the more specialized pharyngeal jaws are for one diet, the less adapted they are for the ingestion of other foods
Explanation:
Pharyngeal jaws are also called throat jaws and are specific for the prey. These jaws have strong muscles and plastic or easy-to-modify teeth. If an organism has pharyngeal jaws specialized for a specific diet or prey it will have lesser chances to adapted well according to the new diet. For instance, pharyngeal jaws highly specialized for scale eating will not be able to adapt well if the fish ingests algae.
Answer:c. duodenum of the small intestine
Explanation:
The digestive system is a series of hollow organs joined in a long, twisting tube from the mouth to the anus Inside this tube is a lining called the mucosa. In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce juices to help digest food.
Two solid organs, the liver and the pancreas, produce digestive juices that reach the intestine through small tubes. In addition, parts of other organ systems (for instance, nerves and blood) play a major role in the digestive system.
