Answer:
The correct answer is b. morphological
Explanation:
Morphological species concept is also known as phenetic species concept. According to this concept if the organisms which are phenotypically (morphologically, anatomically and physiologically) similar are considered to be one species even if they are prevented to mate in between.
All the observable characters come under phenetic characters. For example, if two rhinos look same because they have horns they will be put in the same species even if they do not mate.
Therefore, the morphological species concept defines species boundaries based on the physical characteristics of populations.
This is called the carrying capacity. It's the maximum biological population size for an environment. There are many factors to reaching the carrying capacity such as water, food, and habitat. It's kind of sad when you think about it.
Work cited - Wikipedia, Google
Answer:
Cell wall
Explanation:
The cell wall is the part of the bacterial cell is most involved in gram staining. This is because the two types of gram bacteria which are known as the gram positive and gram negative bacteria have different and unique cell wall constituents.
The gram positive bacteria have a cell wall composed of peptidoglycan while the gram negative bacteria have cell wall composed of a thin layer of peptidoglycan and an outer layer of lipopolysaccharide. They give different results when stained ; gram positive bacteria retains the crystal violet color of the reagent used while the gram negative bacteria gives a pale reddish color.
Answer:
The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.
Explanation:
The aniridia allele in females has to be in the XAXA or XAXa form to be expressed but in males, can be expressed when genotype is XAY.
Migraine headaches allele in females has to be in the XMXM or XMXm form to be expressed but in males, can be expressed when genotype is XMY.
A man with normal vision and without migraines (XaY/XmY) had a father who had aniridia (XAY).
The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.