Which organelle changes chemical energy into a form that is usable by the cell? A. mitochondria B. ribosome C. nucleus D. cell wall

Why a specialized cell does not undergo mitosis?

A narrow hybrid zone separates the toad species bombina bombina and bombina variegata. What is true of those alleles that are unique to the parental species?

We can maintain our balance even when we close our eyes because of psychology

Which of the following is not a feature common to most animals? development into a fixed body plan asexual reproduction specialized tissues heterotrophic nutrient sourcing

Whale lice that feed of the skin of great whales and other large mammals, often causing scarring to the skin, what type of of interaction is this

Diphosophorus oxide is held together by which sort of bonding?

Early in development, every neuron has the potential to

What characterizes an igneous rock that forms from rapid cooling above the earth's surface?

why do you think the blood ph stays neutral while the same amount of lactic acid in water was very acidic

What conditions make for a violent volcanic eruption? a. Magma that can flow easily b. Magma with low gas content c. Magma with low silica content d. Magma with high viscosity