Why are footprints easier to cast than tire tracks?

What region of the brain is responsible for complex thinking such as memory, speech, emotion, planning, and reasoning

1. Which organisms are carnivores? Herbivores? Omnivores? 2. If the ecosystem is balanced, which populations should be the largest? The smallest? 3. Imagine a group of hunters kills half of the rabbit population.

When a bird eats a small insect it can be considered a secondary consumer but what is the bird considered as when it eats seeds?

What enzyme complex is responsible for transcription? a. DNA polymerase b. RNA polymerase c. hexokinase d. amylase

What is another term for natural selection? A. Descent by reproduction B. Reproduction Variation C. Survival of the fittest D. Change over generations

What acid precipitation and two examples of the negative effects of air pollution.

The orbital cavities, nasal cavity, paranasal sinuses, and the oral cavity are all located in what region of the body

The process in which glucose is broken down and atp is made

What does the Calvin cycle do

Imagine that a researcher is comparing the sequence of several protein-coding genes among mice, rabbits, and humans. She finds that, for most of these genes, the rabbit sequences are more similar to the human sequences than are the mouse sequences.