Si en la F2 se cruzan entre si cierto tipo de individuos y se obtiene en la descendencia una población de 225 individuos negros y 75 individuos blancos. Aquellos involucrados en este tipo de cruzamiento en la F1 deben ser necesariamente individuos:

9. In a study of the habitat of a population of raccoons, scientists found that the number of raccoons increased where people built houses. What might the scientists conclude from this observation?

8. Wolves are at the top of the wolves all but disappeared from Yellowstone. Which of the following was a likely effect of the wolves' disappearance?

Quel mécanisme permet à un jeune pied de ronce de former rapidement un roncier (buisson de ronces)? Indiaue comment la ronce conguiert un autre milieu, même éloigné? Comment s'effectue

MODULE 23 Assessment Vocabulary Review Correct the sentences below by replacing the italicized term with the correct vocabulary term. 1. A(n) infection is an organism that causes disease. 2. A substance that kills cells or interferes with their functions is called a(n) vector. 3. When pathogens in the body multiply and damage body cells, a(n) virus results. Understanding Key Concepts After reading the question or statement, select the correct answer. 4. The common cold and influenza are caused by a. overeating. b. viruses. c. bacterial infection. d. exposure to toxins. 5. Malaria, West Nile virus, and Lyme disease are

\( \checkmark \) Indique comment la ronce conquiert un autre milieu, même éloigné? Comment s'effectue alors la dissémination?