Answer:
A) 1000
Most viruses are 1000 times smaller than the average cell
A trade-off is the right answer.
A trade-off) is a situational determination that includes reducing or dropping a degree, amount or resources of a set in return for accumulations in other perspectives.
People in the Amazon performs the task of logging that is the cutting of the trees and storing the wood onto cars or wagons for the purpose of cleaning the forests for agricultural production to meet the demand of people for food. However, this activity of people in Amazon has caused a major problem of deforestation. Thus, the reduction in biodiversity is a trade-off between protection and economic expansion.
Answer:
Directional selection
Explanation:
Directional selection is a type of natural selection that favors one extreme phenotype of a genetic trait due to its survival and reproductive advantage to the individuals over another extreme phenotype and the intermediate phenotype.
In the given example, the thick-leaved plants are better adapted to a drier climate due to reduced water loss. Directional selection favored the plants with thick leaves which in turn produced more progeny. Over the generations, the population evolved into the one having more number of thick-leaved plants.