A red fur fox (RR) is mated with a fox that has red and white fur (RW). What are the probable phenotypic ratios of the offspring? a) 100% white fur
b) 50% white fur, 50% red and white fur
c) 50% red fur, 50% red and white fur
d) 100% red fur

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.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

9. the history of life on earth is recorded in