Bellwork slates erasers on desks
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Hunting permits are frequently issued to help control certain populations of animals. When would a state want to issue a LOT of permits for deer hunting? How could this affect the wolf population in the area? Are deers autotrophs or heterotrophs ? What about wolves? Explain your answers.

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Bellwork - slates & erasers on desks!

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Bellwork slates erasers on desks

Hunting permits are frequently issued to help control certain populations of animals.

When would a state want to issue a LOT of permits for deer hunting?

How could this affect the wolf population in the area?

Are deersautotrophs or heterotrophs? What about wolves? Explain your answers.

Bellwork- slates & erasers on desks!


Announcements

Announcements

  • Meet in M1 computer lab tomorrow for science fair proposals & research (take your 3 ring binder WITH YOU today!)

  • Science Café on MONDAY! Bring a snack for the class 


Population notes adding new info today

Population Notes (adding new info today)


Instructions for notes participation

Instructions for notes/participation

When you see this pencil symbol next to something, you must write it in your notes

When you see the marker, answer the question on your slate & wait for the guest teacher to ask everyone to show

(No marker? Participate on scratch paper)


What would happen if bacteria could reproduce indefinitely

What would happen if bacteria could reproduce indefinitely?

On a slate, draw what you think the population graph would look like

Exponential Growth


What would happen if bacteria could reproduce indefinitely1

What would happen if bacteria could reproduce indefinitely?

Exponential Growth

Draw a picture of an exponential growth graph in your notes


What would happen if bacteria could reproduce indefinitely2

What would happen if bacteria could reproduce indefinitely?

In just 36 hours a single E. coli bacteriumwould replicate enough times to cover the Earth in 1ft deep of its offspring

So why aren’t we covered in bacteria?


What would happen if bacteria could reproduce indefinitely3

What would happen if bacteria could reproduce indefinitely?

In just 36 hours a single E. coli bacteriumwould replicate enough times to cover the Earth in 1ft deep of its offspring

Limiting Factors!

(Turn and tell your neighbor- what are the 4 limiting factors we discussed block day…)

So why aren’t we covered in bacteria?


World population 7 0 billion

World Population = 7.0 billion

Human Population Clock: http://galen.metapath.org/popclk.html

What eventually happens to the graph?


World population 7 0 billion1

World Population = 7.0 billion

Human Population Clock: http://galen.metapath.org/popclk.html

POPULATION CRASH!!!!


World population 7 0 billion2

World Population = 7.0 billion

Human Population Clock: http://galen.metapath.org/popclk.html

Have we reached our carrying capacity, or have we overshot it? Explain why.


Human growth patterns we use age structure graphs

Human growth patterns- we use age structure graphs


Human growth patterns

Human growth patterns

At what ages do you see more females than males?

75-79 & 80+

What age group makes up the biggest % of Mexico’s population?

Under 5

(5-9, & 15-19 are very close)


Human growth patterns1

Human growth patterns

Will Mexico’s population increase, decrease, or stay about the same?

INCREASE


Human growth patterns2

Human growth patterns

Will Sweden’s population increase, decrease, or stay about the same?

DECREASE


Human growth patterns3

Human growth patterns

Honey, I’m hooome!

Will United State’s population increase, decrease, or stay about the same?

What caused this bubble of middle-aged adults?

INCREASE

SLOWLY


Human growth patterns add these three graphs to notes

Human growth patterns- add these three graphs to notes


Graph conclusion due today

Graph & Conclusion- due TODAY!

  • Graph how the population of jackrabbits vs coyotes change over time (think about what kind of graph this is…)

  • Conclusion paragraph (complete sentences, in lab book)

  • When finished turn the graph into front basket

  • **If time- work on the Critter: Ecology Outline to get a head start on your next critter project


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