I believe that is “ the presence of uracil ( u ) in codons
Answer: Option 1 is correct.
Explanation: Population produces offspring because as long as there are two types of organisms in the population, male carrying XY chromosome, and female carrying XX chromosome mating will occurs and once mating starts to occur
offsprings will be given birth to, this is why population has offsprings of the parents.
Most organisms lives to maturity and give rise to another offsprings which makes up the next generation.
All population grow over time, as long as there is mating, there will be offsprings and as long as the number of organisms in a population increase there is growth in the population.
Option 2 is incorrect because as population grows, resources reduces and becomes scarce because of the total number of organisms competing for the available resources.
<em>E a bigger brain is not a identity a fossil as a hominem species</em>
Answer:
Compounds are made of different types of atoms.
Elements cannot be broken down by physical or chemical changes
Elements are made of only one type of atom.
Explanation:
An Element is any one of the simplest chemical substances that CANNOT be decomposed in a chemical reaction or by any chemical means and made up of atoms all having the same number of protons. Examples are Sodium (Na), Nitrogen (N2), Aluminium (Al)
Compound is a substance formed by chemical union of two or more ingredients in definite proportions by weight. examples are NaCl (Sodium Chloride), NH3 (Ammonia)
