Answer: Option D
Most bryophytes lack true root and leaves.
Explanation:
Bryophytes are group of non vascular land plants that are found in moist environment. Examples are mosses, liverworts and hornworts. They reproduce by spores and not by flowers. They different from other plant in that they lack true roots, stems and leaves, presence of rhizoids function as roots to anchor the plant to the soil but the rhizoids does not absorb nutrient like other plant root.Bryophytes differ from other land plant in that they do not have xylem, a vascular system use to transport water internally rather they get water and nutrients through their leaves.
Answer:
Respiratory System and the Muscles of Inhalation and Exhalation. The muscular and nervous systems enable the involuntary breathing mechanism. The main muscles in inhalation and exhalation are the diaphragm and the intercontinental (shown in blue), as well as other muscles.
Answer:
Letter <u>A</u> indicates the <u>epidermis</u>, which is the outer layer of the root.
Explanation:
The internal structure of the eudicot root consists of <em>three concentrical layers</em>: The <u>epidermis</u><u>,</u> the cortex, and the central vascular cylinder.
The epidermis is the outer layer of the root. It <em>covers the totality of the root surface</em>, <em>absorbs water</em> and <em>minerals from the soil,</em> and <em>protects the internal tissues</em>.
The <em>cortex</em> occupies a big part of the root and its <em>located under the epidermis</em>. The <em>most internal cell layer</em> of the cortex is called <em>endodermis</em>.
The <em>vascular cylinder</em> is composed of <em>vascular tissues</em> -the xylem and the phloem- that is <em>surrounded by</em> one or more cell layers called <em>pericycle</em>. The xylem looks like a <em>cross of big cells</em> in the center, and the phloem occupies the spaces between the pericycle and the xylem.
Other reasons are
Not finishing the antibiotics.
Or
Taking antibiotics too often
Answer:
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