A group of parrots is 20% DD, 40% Dd, and 40% dd. What is the allele percentage of d in this group? A. 40 percent B. 50 percent C. 60 percent D. 80 percent

What is the last bone to complete its growth?

A student in a histology class was asked to describe the structure of a stratified squamous epithelium. Which of the following should he use? Group of answer choices a. tissue composed of contracting protein fibers enclosed by plasma membranes b.

Why can water be used in the cooling system of a car?

He evolutionary history of a species is called its A) analogy. B) genetics. C) phylogeny. D) speciation.

All living organisms on earth grow, maintain homeostasis, and undergo cell division. Two types of cell division are binary fission and mitosis. Which claim most accurately describes the relationship between mitosis and binary fission?

Size, shape, and position of grains that make up a rock

Which of the following statements cannot be tested by science?

Can you explain how salt from the sea is returned to the land

A species of rabbit is preyed upon by foxes, which are preyed upon by wolves. Humans decide to open a hunting season on the wolf population.

Nearly all nutrients present in tropical rainforest forests are contained in the