What is speciation a result of

A. Allele frequency within a population remaining the same

B. New alleles forming because of mutation

C. Random, chance event

D. Change in an existing species environment

Which has prokaryotic cells A. Onion root B. Cow's liver C. Human blood D. E. coli Sorry for asking a lot of questions; )

Which of the following statements about mitosis and meiosis is * NOT * true? Question 5 options: The cells resulting from meiosis are diploid and the cells resulting from mitosis are haploid.

The term to describe the behavior of the brain

What well known process was important in developing both Mendel's and Darwin's ideas? A. Cloning B. Cross-pollination C. Artificial selection D. Spontaneous generation

One example of competition

Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both causedamage to the bacterialA) cell membrane. B) capsule. C) cell wall. D) DNA. E) ribosomes

A group of tissues that work together to perform specific activities for an organism

Mitochondria are important organelles within a cell. what would most likely happen if a cells mitochondria were not functioning properly?

What percentage of energy is transferred when a mouse is eaten by a fox? 90% 0% 10% 100%

Destruction of the paraventricular nucleus (PVN) with electrolytic lesions has been shown to produce hyperphagia (overeating) in rats. Injections of local anesthetic into the PVN may also stimulate eating.