<span>The correct answer is: d. 1/4; 1/8.
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Baby's head must be large and must grow rapidly because its brain during the first 9 months of growth reaches half of its adult size. So, the head has to (compared to the size of their body) accommodate that brain. Sometimes it is even bigger than one-quarter of full baby’s length.
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Thier are 37.2 trillion
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Answer:
Active transport of calcium into the sarcoplasmic reticulum.
Explanation:
- The sarcoplasmic reticulum (SR) is a membrane-bound structure found within muscle cells that is similar to the endoplasmic reticulum in other cells. The main function of the SR is to store calcium ions (Ca2+)
- In response to an action potential traveling along the t tubule, voltage-sensitive proteins change shape, opening calcium channels in the adjacent terminal cisterns of the sarcoplasmic reticulum.
Answer:
The isopods will be found under the leaf litter.
Explanation:
Isopods are crustaceans and they live in freshwater, marine water or on land. The forms of isopods that are found on land mostly prefer the cool and moist environment.
As the biologist will leave them on leaf litter, they will crawl to the area under the leaf because the area under the leaf litter is relatively cool and moist and there they can get an environment which is suitable for their living. Thus when the biologist will come after one hour, most of the isopods will be found under the leaf litter.
