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Viktor [21]
3 years ago
8

Chemical analysis of the oxygen isotopes in foraminifera shells allow scientists to create a climate record like the one shown h

ere. The chemical composition of shells depends on the temperature of the surrounding water and the presence or absence of large polar ice sheets. Fossil data like this indicates that A) only simple organisms on Earth are subject to change over time. B) climatic changes can definitely influence changes in life forms. C) change in life forms is more likely to change in marine habitats. D) climatic change does not necessarily result in change in life forms.
Biology
2 answers:
anygoal [31]3 years ago
7 0
B is the answer. But the changes would take over time
Marina CMI [18]3 years ago
7 0

Answer:

Option (B)

Explanation:

The oxygen isotope ratios are often used from water that are stored in the glaciers and the oxygen that are absorbed in the shells of the marine flora and fauna. This ratio is used to determine the past climate and rainfall.

The data obtained by calculating this ratios demarcates that the changes in the climatic condition definitely affects the changes in the life forms. If organisms existing in a warm climate are suddenly allowed to experience a colder type of climate, then these organisms have to adapt to that environment for their survival. Due to this adaptation, the organisms undergo certain changes in them, thereby undergoing the process of evolution.  

Thus, changes in the life form occurs due to the changing environmental and climatic conditions.

Hence, the correct answer is option (B).

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Answer:

B. Row x describes meiosis and row y describes mitosis

Explanation:

  • <em><u>Mitosis is the process in which a cell divides to yield two daughter cells with same number of chromosomes as the parent cell. </u></em>The process takes place in the somatic cells or the body cells. For example, a cell with 14 chromosomes divides to produce two cells with 14 chromosomes.
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Answer:

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<u>Chlorophyll</u> - Any of a group of green pigments that are found in the chloroplasts of plants and in other photosynthetic organisms such as cyanobacteria.

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<u>Gymnosperm</u> - Any plant such as a conifer whose seeds are not enclosed in an ovary or those who don't bear seeds or fruits. Example; Cycads.

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<u>Photosynthesis</u> - The process by which plants and other photoautotrophs convert light energy into chemical energy. For example; Plants use air, water, along with sunlight to synthesize their food(carbohydrates and waste oxygen).

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