Answer: option B) Sympatric speciation is best described as a random event that disrupts the allele frequencies in a population.
Explanation:
Sympatric speciation is an event/situation whereby organisms of the same species:
- live in the same territory or nearby territories ( i.e do not live in geographical isolation)
- DO NOT interbreed, but select a sexual mate from a much diverse territory to yiels new species or offsprings that are genetically different from their parents, and causing uneven gene flow or disruption of alleles known to have been prevalent among the parent organisms
So, only option B is true
Theirs no picture to look at what fossil are you talking about
In hypertonic condition, osmosis will occur. In this case, the fluid will be attracted into the hypertonic solution since it osmotic pressure is higher. This condition can cause the nearby cells losing their water molecule and become shrink.
If it happens for a long time, the concentration of molecule inside the cell will increase since the water is decreased. This will cause the cell undergo lysis.
The epithelial tissue is the first line of defense.
The Human Body has 4 Basic Tissues. These are:
1) Connective Tissue - gives shape to organs and holds them in place.
2) Muscle Tissue - produce force and cause motion within the internarl organs
3) Nervous Tissue - main component of the nervous system. It regulates body function and activity
<span>4) Epithelial Tissue - lines the cavities, surfaces of blood vessels and organs though the whole body.</span>
<span>Olfactory receptors exist throughout the human nasal cavity but mainly olfactory region. They are direct nerve endings of the 1st cranial nerve, the olfactory nerve on left and right side. The cranial nerve actually is a cluster of small fibers from frontal lobe running down the sieve like ethmoid bone. They are well developed in lower animals like dogs. Humans use less of odor sense that's why olfactory sense and nerves are not well developed. </span>I hope this is the answer that you were looking for.
