The main difference is that quotas restrict quantity while tariff works through prices
True because, more variation increases the species fitness, the ability to survive and reproduce. Allowing the organism to pass on their beneficial traits (advantageous traits), to their offspring.
The gestation period in cats stays for approximately 66 days and in every cycle a cat give birth more than 2 babies so if all cats are producing kittens at this rate, a prediction can be made that there will be lots of cats in our ecosystem. There will be cats everywhere if the number is not controlled.
As mentioned earlier, cats can starts reproducing at a young age of 6 months and right after delivery can get pregnant.
I would say D because it involves more selection but if that one is wrong it is most likely B. But I would go with D
<span>The question is asking "which includes the physical characteristics of an organism
Gene" and the answer is the phenotype. An organism's phenotype is basically its outward appearance and its phisical characteristics. In contrast, the other options, gene, allele and genotype, refer to the genetic make up of an organism - its genotype</span>
