I believe the correct answer from the choices listed above is the first option. The chemical that promotes phototropism is auxin. Phototropism is the growth of an organism which responds to a light stimulus. Auxins are <span>plant hormones that are used in growing.</span>
The answer is pollution.
Groundwater is water under the surface of the Earth which is widely used as a source of freshwater. Thanks to its position, it is <span>not as much vulnerable to pollution such as surface water. However, some leaking of landfills, septic systems and agricultural chemicals that can reach it deep down under the surface can cause groundwater pollution.</span>
When conducting a population sampling study, on the first capture attempt, we tag, count, and release the captured individuals. Thus, option "D" is correct.
<h3>What is the mark-recapture method?</h3>
This is a method commonly used in ecology to estimate the animals in the population. A portion of the population is captured, marked and released. Another part of the population will, later on, be captured. This can be used to estimate the population in an assumption that the portion that was captured is proportional to the entire population. This is obtained by dividing the number of marked individuals by the individual marked on the second capture. This is one of the simplest and most practical methods of estimating the population.
Thus, option "D" is correct.
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Answer:
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.
Cellularity. Epithelia are composed almost entirely of cells. ...
Specialized contacts. Adjacent epithelial cells are directly joined at many points by special cell junctions.
Polarity. ...
Support by connective tissue. ...
Avascular but innervated. ...
Regeneration
Explanation: