

Investigation 1.2- history of life; transitions
Presentation
•
Science
•
8th Grade
•
Easy
+2
Standards-aligned
Sarah Melachrinos
Used 3+ times
FREE Resource
6 Slides • 7 Questions
1
Investigation 1.2- history of life; transitions

2
Open Ended
This is a picture of a modern fish. What do you observe about the fish?
Esta es una foto de un pez moderno. ¿Qué observas de los peces?
3
Multiple Choice
Where does the fish live?
¿Dónde vive el pescado?
in the sky
in trees
in the water
on the ground
4
Open Ended
How does a fish move? ¿Cómo se mueve un pez?
5
Open Ended
Think about the fins; look at the skeletal structure. What do you notice about the structure of the fins?
Piensa en las aletas; mira la estructura esquelética. ¿Qué notas sobre la estructura de las aletas?
6
Modern fish fins: bones are thin, arranged in a ray pattern.
Aletas de pescado modernas: los huesos son delgados, dispuestos en un patrón de rayos.
7
Scientist think that life on earth began in the water and continued in the water until the continents emerged millions of years ago. One of the areas of inquiry is how life mad the transition (change) form water to land. the first land animals were insects, but there is much interest about how vertebrates made that transition from water to land.
Los científicos piensan que la vida en la tierra comenzó en el agua y continuó en el agua hasta que los continentes emergieron hace millones de años. Una de las áreas de investigación es cómo la vida enloquece la transición (cambio) forma el agua a la tierra. los primeros animales terrestres eran insectos, pero hay mucho interés en cómo los vertebrados hicieron esa transición del agua a la tierra.
8
This is an artists drawing of different fish and organisms that lived during the Devonian period, between 419 and 359 mya. During this period, vertebrates started the transition from water to land.
Este es el dibujo de un artista de diferentes peces y organismos que vivieron durante el período Dedenia, entre 419 y 359 mya. Durante este período, los vertebrados comenzaron la transición del agua a la tierra.
9
Open Ended
Why would water-dwelling fish move to land?
¿Por qué los peces que habitan en el agua se mudarían a tierra?
10
Open Ended
What might have caused some fish to develop legs and feet of the the course of millions of years?
¿Qué pudo haber causado que algunos peces desarrollaran patas y pies del curso de millones de años?
11
We will be using the fossil record to look for evidence of how vertebrates made the transition from water to land.
Usaremos el registro fósil para buscar evidencia de cómo los vertebrados hicieron la transición del agua a la tierra.
12
Open Ended
Focus question: What does the fossil record tell us about how life has changed over time?
Pregunta de enfoque: ¿Qué nos dice el registro fósil sobre cómo ha cambiado la vida con el tiempo?
13
We will now trace the transition from life on water to life on land using the fossil record. Open investigatio1.2 worksheet on Unified Classroom
Ahora trazaremos la transición de la vida en el agua a la vida en tierra usando el registro fósil. Abra la hoja de trabajo investigatio1.2 en El aula unificada
Investigation 1.2- history of life; transitions

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