Fish can survive under the ice of a pond or lake for a few months. In the fall, they feed heavily, storing up food energy to survive until spring. Also, like reptiles and amphibians, their bodies slow down in cold temperatures. The fish may not find much to eat under the ice, but they will not need much food.
Understanding cardiac characteristic in growing larval fishes is critical for assessing their physiological circumstance and average health.
Cardiac output measurements in obvious fish larvae and different vertebrates have lengthy been made with the aid of using studying motion pictures of the thrashing coronary heart, and modeling this shape the use of a traditional easy prolate spheroid form version. However, the larval fish coronary heart modifications form in the course of early improvement and next maturation, however no attention has been fabricated from the impact of various coronary heart geometries on cardiac output estimation. The gift observe assessed the validity of 3 distinctive coronary heart models (the “standard” prolate spheroid version in addition to a cylinder and cone tip + cylinder version) carried out to virtual pics of whole cardiac cycles in larval mahi-mahi and pink drum.
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Answer:
1. Chemical pollution
2. Nutrient pollution
3. Trash and debris pollution
4. Chemical pollution
Explanation:
- The oil spills create leakages of oil from the carrier directly into the oceans. Which has harmful effects especially for the marine environments.
- It creates a hazard-like situation and badly impacts or affects the productivity of the waters. Hence is chemical pollution as oil had a different chemical composition than water.
- The release of agricultural run-off into the rivers or streams or the nearby areas or urban runoff leads to the problems of nutrients that deplete the oxygen levels from the water and enhances the algae blooms.
- The dumping of plastics and other wastes leads to debris pollution as they dot get easily decomposed and stay for a longer duration in the water. Oil and gasoline again is a chemical pollutant along with motor vehicle exhaust.
Answer:
The odds that this sequence would appear in a random chain of DNA is one out of two thousand and forty-eight.
Explanation:
Since you did not give a list of choices,here are some reasons why l<span>iving cells cannot use heat to provide the activation energy for biochemical reactions:
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>Heat can never be used to do work.
>Heat is not readily available to all living cells.
>Heat doesn't provide the activation energy for their reactions.
