A national park needs to perform selective logging in their forested area. In order for logging trucks to access the area, roads will need to be installed across a previously undisturbed area of forest. The forest is home to many species of trees (hickories, oaks, and maples), multiple herbivores (deer, rabbits, squirrels), and higher level consumers as well (wolves, hawks). Which of these is an environmental impact due to an increased road construction in the park?

A) Increased growth of shade tolerant trees
B) Increased nesting sites for birds of prey
C) Increased water recharge areas after precipitation
D) Increased predation and fatalities at the edge of the habitats adjacent to the road

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Considering the yellow and green pea color phenotypes studied by gregor mendel: a. what is the biochemical function of the protein that is specified by the gene responsible for the pea color phenotype? (1 point) b. a null allele of a gene is an allele that does not specify (or encode) any of the biochemical function that the gene normally provides (in other words, either no protein at all or only non-functional protein is produced from it). of the two alleles, y and y, which is more likely to be a null allele? (1 point) c. in terms of the underlying biochemistry, why is the y allele dominant to the y allele? (2 points) d. why are peas that are yy homozygotes green? (1 point) e. the amount of protein produced from a gene is roughly proportional to the number of functional copies of the gene carried by a cell or individual. what do the phenotypes of yy homozygotes, yy heterozygotes, and yy homozygotes tell us about the amount of sgr enzyme needed to produce a yellow color? explain your reasoning. (2 points)

The smallest parts of these that retain their original properties are called