Answer: Option C.
Population density is the total number of organisms within a fixed area.
Explanation:
Population density is the total number of organisms per unit area. Population density is calculated by dividing the number of organisms by the unit area either in square kilometers, squaremeters, square miles.
Population density =number of organisms ÷ unit of land area.
The key difference between energy flow and matter cycling is that energy flow shows the energy transmission from one trophic level to next trophic level in food chains while matter cycling shows the flow or cycling of elements through the living and nonliving parts of ecosystems
Answer:
1. B
2. C
Explanation:
1. Stem cells have a higher potency than differentiated cells. They are pluripotent and multipotent cells that can differentiate into most types of cells. Therefore they can be used to repair injuries that take long to heal naturally. An example is applying stem cells on joints of people with arthritis to enable cartilage of knee caps regenerate.
2. Bionics is a form of engineering that mimics human physiology but is not made of tissues but rather mechanicals made of a material like titanium. An amputee, for example, will have a mechanical arm or leg on the amputated limb that functions like a real limb. Usually, in the best form of bionics, the subject is able to control the artificial limb with their mind.
B, a lizard that exhibits the same col<span>oration as its surrounding plant life.</span>
Answer:
True
Explanation:
<em>The latter studies truly showed that some factors other than genetic predisposition play a role in obesity.</em>
The composition of the genome of an individual might predispose such individual to a higher risk of being obese. However, that such individual will become obese depends on some other factors, the most important being the kind of lifestyle the individual lives.
A lifestyle such as eating foods high in fat content, not eating adequate fruits, not eating eating adequate vegetables and drinking a lot of alcohol can cause someone to be obese apart from genetic predisposition.
