Explanation:
Root hair cells
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption.
Answer:
precipitation falls on a rock formation
Explanation:
its because of water, wind and other natural disasters a erosion occurs.
so in this case it should be option 2.
The term Multicellular best describes an organism that can contain upto five levels of organization to carry out life functions.
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Answer: a. Intervention study
Explanation:
In an interventional research study the participants receive an intervention as they are given a new item or commodity to use and the results of use are evaluated on the basis of change made by the commodity on the participant. Such studies are used for the purpose of clinical trails.
The given research design is the example of interventional study. As the margarine is a new commodity the ingredients of which are claimed to lower down the blood cholesterol levels which can tested by comparing the cholesterol levels in people.
Answer:
<em> 2.The subsequent generations will be less diverse than the original population </em>
Explanation:
<u>A larger population means that there are more genetically diverse organisms in a population. As a result, there will be more genetic diversity in a larger population as compared to a smaller population.</u>
When any disaster occurs, resulting in wiping a larger portion of the population, then the population becomes lesser. As a result, the genetic diversity of the population also decreases.
<u>Hence, a disaster such as the one described in the question will lead to lesser genetic diversity in the coming generations. </u>
