Answer:
Used cross breeding to purposely breed plants. Studied a variety of pea plant traits. studied several generations of pea plants.
Explanation:
Answer:
The nature of the cell membrane is semi- permeable. This means that it allows some of the molecules or ions to pass through it but others cannot pass through it.
<em>The information in the question shows that the substance L moves inside the cell by passive transport. </em>As it moves through the help of large proteins we can say that these proteins are channel or carrier proteins.
We can say that the substance L is moving by passive transport because as the concentration of L increases outside the cell, the rate of its entry into the cell also increases i.e along the concentration gradient.
Answer:
Natural selection. It is simply the process by which random variations that give an individual a favorable adaptation to its environment survive to be passed on to offspring.
The answer is probably B. Because a High Biodiversity has different variety of genes and species in a ecosystem.
Answer:
soil erosion has been a major cause of soil degradation in north carolina for many years .it affects water quality physically,chemically and biological.damage from sediment is expensive,both economically and environmentally.
Explanation:
because the environmental damage from sediment is often cumulative,the ultimate affects and the consequences of off-site sedimentation can be severe,both for people immediately affected and those who must cope with subsequent problems.