The idea that natural selection promotes an increase in positive mutations matches ___'s theory.

a-Lamarck

b-Darwin

Which of the following is not an anti-predator defense mechanism?

Freshwater estuaries have river and what organisms

What is one example of a phenotypic change that is not genetic?

A person constantly comes in contact with pathogens that can infect body cells and cause disease. Which organ system is involved in protecting the body from both infectious and noninfectious diseases? A. muscular system B. nervous system C.

Whats the role of fsh in the menstrual cycle

What is an atom in the human body

Explain the process that creates wind?

What type of food molecules make up lettuce

The theory of endosymbiosis suggests that the ancestors of mitochondria were A) formed due an error in cytokinesis. B) once free-living heterotrophic prokaryotic cells. C) parasitic cells that lived within more complex organisms.

Wat biotic and abiotic factors control viral activity in the sea