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# Bellwork - slates & erasers on desks! - PowerPoint PPT Presentation

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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## PowerPoint Slideshow about ' Bellwork - slates & erasers on desks!' - denim

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Presentation Transcript

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?

### Bellwork- slates & erasers on desks!

Announcements certain populations of animals.

• 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) certain populations of animals.

Instructions for notes/participation certain populations of animals.

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 certain populations of animals.indefinitely?

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

Exponential Growth

What would happen if bacteria could reproduce indefinitely? certain populations of animals.

Exponential Growth

Draw a picture of an exponential growth graph in your notes

What would happen if bacteria could reproduce indefinitely? certain populations of animals.

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 indefinitely? certain populations of animals.

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 certain populations of animals.

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

What eventually happens to the graph?

World Population = 7.0 billion certain populations of animals.

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

POPULATION CRASH!!!!

World Population = certain populations of animals.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 certain populations of animals.

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 patterns certain populations of animals.

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

INCREASE

Human growth patterns certain populations of animals.

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

DECREASE

Human growth patterns certain populations of animals.

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

Graph & Conclusion- certain populations of animals.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