A virus structure can be on of the following: icosahedral, enveloped, complex and helical. These viruses can appear to in a shape but a closer, more steady look reveals that they are actually icosahedral.
Answer:
The number of electrons in an atom's outermost valence shell governs its bonding behaviour. Elements whose atoms have the same number of valence electrons are grouped together in the Periodic Table. ... To form a covalent bond, one electron from the halogen and one electron from another atom form a shared pair.
<span>Prokaryotes lack nuclei and many of the organells found eukaryotes, while eukaryote cells generally have more DNA than prokaryotes have and, therefore contain multiple chromosomes, thus how their structure differs.
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Answer:
Stomata
Explanation:
The stomata control gas exchange in the leaf. Each stoma can be open or closed, depending on how turgid its guard cells are. In the light, the guard cells absorb water by osmosis , become turgid and the stoma opens.
External fertilization
In this type of fertilization, the female lays numerous eggs and they are fertilized externally by the males that ‘pours’ its sperm on the eggs.
Explanation:
While laying of many eggs gives an increased chance of diversity in the population, many offspring don't make it to maturity due to low parent care. There is, therefore, more wastage of reproductive energy compared to internal fertilization.
On the other hand, in internal fertilization, the egg is fertilized inside of the female and develops into a young organism before it is birthed. Even though there are fewer offspring produced, the more parental care they receive gives them an increased chance of survival. There is also low reproductive energy loss.
Learn More:
For more on reproductive strategies check out;
brainly.com/question/10413000
brainly.com/question/12935418
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