Which of the following blood types cannot be the result of fertilization between two parents with the following blood types: AO x AB

Type B
Type AB
Type A
Type O

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which of the following situations are occurring when a red flower (rr) and a white flower (ww) produce a pink flower? a.multiple alleles b.incomplete dominance c.codominance