Hawaiian happy face spiders are found on the island of Maui. They have markings as shown. These markings are determined to be genetic. A plain spider is crossed with a patterned spider. The patterned spider is homozygous. The pattern trait is dominant to the plain trait. What percentage of the offspring from this cross are expected to be patterned?

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

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?

In which layer do organisms on earth love?