Test
15.- Natural selection and the owl butterfly
Preguntas del test (5)
1Are these eye-looking shapes a result of a random process or a leaded process?
- ALeaded process
- BRandom process
- CNone
2A concentration of pigment can decrease the frequency of being killed, Why?
- AThe pigment has a bad flavor
- BThe concentration of pigment scares to predators
- CThey cannot be recognize by predators
3All kind of strategies for surviving are used ultimately for:
- AReproduction
- BGetting resources
- CLiving more time
4New traits result from changes in our:
- AProteins
- BEnzymes
- CDna
5When we get beyond our reproductive years, the rate of diseases increases exponentially, Why?
- AWe are no longer useful for reproduction
- BOur immune system decreases its activity
- CBecause we are no longer being selected for
Información
- Descripción
- https://www.khanacademy.org/science/biology/her/evolution-and-natural-selection/v/natural-selection-and-the-owl-butterfly
- Autor
- Usuario eliminado
- Idioma
- English
- Visitas
- 20
- Historial
- Creado el 6 sep 2016 · actualizado el 7 sep 2016
- Etiquetas
- Valoración
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