The pedigree chart represents three generations. red family members have a disease that is caused by an autosomal dominant gene. consider the chart. the father in generation i must have what genotype? d represents the allele for the disease; d the allele for normal.

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

Ecology can best be described as the study of what