The presence of over 700 genes involved in height determination is an example of a polygenic trait.
<h3>What is a polygenic trait?</h3>
A polygenic trait refers to a trait that is determined by multiple genes rather than by only one gene. This is opposite to a monogenic trait that is determined by only one gene.
<h3>What are some examples of polygenic traits?</h3>
In humans, some examples of traits that are determined by multiple genes are:
- Height
- Hair color
- Skin color
Based on this, heigh is a polygenic trait.
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Explanation:
Homeostasis is the term use to describe the internal stability needed for survival of an organism, including humans and animals while equilibrium is narrow to specific mechanisms.
Answer: Net Energy
Explanation:
In energy partitioning, metabolizable energy less less heat increment (energy lost as heat) gives the net energy. The net energy is further broken down to energy used for production and energy used for maintenance.
The reasons are:
- the blood is very low on nutrition
- the leech is not feeding itself regularly
The leech slows it metabolism a lot, so it can survive on very low nutrition. The blood is very low on nutrition, and it is the leech's food source, so the evolution made it preserve energy.
The leach doesn't have the opportunity to feed itself on regular basis, so it takes maximum advantage of any opportunity and consumes as much blood as possible so that it can survive long term when it will not have food at disposal.
more panthers were born than died. more panthers were born than died
The population of the Florida panther once dwindled to below two dozen, but it has since rebounded to more than 200
<h3>What is the panther population in Florida ?</h3>
Today there are only 120 to 130 Florida panthers left in the wild. They are found in southern Florida in swamplands such as Everglades National Park and Big Cypress National Preserve
- Florida's largest wild cat species, the panther is critically endangered, but has been making a slow and steady comeback since numbers sunk to just 20 individuals in the 1970's. As of 2021, most estimates place the present day population at around 200.
- By far the greatest threats to Florida panthers are habitat loss, fragmentation and degradation — all driven by Florida's burgeoning human population and the developments and highways that accommodate it.
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