Transcript
7/25/2019 Chapter 03 Ecology ppt
1/22
Go toSection:
Levels Within Levels
An ecosystem is a collection of all the organisms that live in a particularplace, together with their nonliving, or physical, environment. Within an
ecosystem, there are several levels of organization. Your school and its
grounds are similar to an ecosystem.
Section 3-1
Interest Grabber
7/25/2019 Chapter 03 Ecology ppt
2/22
Go toSection:
1. What living things are found in and around your school
!. What nonliving things are found in your school
". #nto what large groups are the students in your school divided
$. #nto what smaller groups are these large groups divided
%. Are these groups ever divided into even smaller groups #f so, what are these groups
Section 3-1
Interest Grabber continued
7/25/2019 Chapter 03 Ecology ppt
3/22
Go toSection:
31 What Is Ecology?
A. #nteractions and #nterdependence
&. 'evels of (rganization
). *cological +ethods
1. (serving
!. *-perimenting
". +odeling
Section 3-1
Section Outline
7/25/2019 Chapter 03 Ecology ppt
4/22
Go toSection:
*cological +ethods
Chemical Testing
Sites
Computer/
Calculators
Written ecor!
"agni#ying Tools
"easuring Tools
$%servation E&periment "o!el 'uil!ing
ield site *-perimental plots,field sites, laoratory
+any sites for datacollecting
/apes, compass,Gloal 0ositioningSystem, thermometer,sensors
/apes, compass,Gloal 0ositioningSystem, thermometer,sensors
Aerial views, Gloal0ositioning System,weather alloons
&inoculars, microscope,telescope
&inoculars, microscope,telescope
Satellite images
otes, automated datastorage
otes, automated datastorage
Automated data storage
/est 2its /est 2its 'arge dataase,
multiple sensors
+athematical analysis
and graphics, statistics
+athematical analysis
and graphics, statistics
+athematical analysis
and graphics, statistics,
simulations
Section 3-1
Compare/Contrast Table
7/25/2019 Chapter 03 Ecology ppt
5/22
Go toSection:
Section 3-1
Figure 3-2 Ecological Levels oOrgani!ation
7/25/2019 Chapter 03 Ecology ppt
6/22
Go toSection:
(ass It )long
*nergy flows in one direction through an ecosystem, from the sun or inorganic
compounds to producers 3organisms that can ma2e their own food4 throughvarious levels to consumers 3organisms that rely on other organisms for food4.
Your ody gets the energy and materials it needs for growth and repair from
the foods you eat.
Section 3-*
Interest Grabber
7/25/2019 Chapter 03 Ecology ppt
7/22
Go toSection:
1. +a2e a list of five foods that you li2e to eat. #ndicate whether the food comes from a plant 3producer4 or ananimal 3consumer4.
!. 'i2e many irds, chic2ens eat grains, which are seeds. Where do seeds come from
". +eat comes from eef cattle. What do cattle eat
$. )onstruct a diagram showing how one of your favorite foods otains its energy. #nclude as many levels asyou can.
Section 3-*
Interest Grabber continued
7/25/2019 Chapter 03 Ecology ppt
8/22
Go toSection:
3* Energy +lo,
A. 0roducers
1. *nergy rom the Sun
!. 'ife Without 'ight
&. )onsumers
). eeding 5elationships
1. ood )hains
!. ood Wes
". /rophic 'evels
6. *cological 0yramids
1. *nergy 0yramid
!. &iomass 0yramid". 0yramid of umers
Section 3-*
Section Outline
7/25/2019 Chapter 03 Ecology ppt
9/22
Go toSection:
(yrami! o# um%ersShows the relativenumer of individualorganisms at eachtrophic level.
'iomass (yrami!
5epresents the amount ofliving organic matter at eachtrophic level. /ypically, thegreatest iomass is at thease of the pyramid.
Energy (yrami!Shows the relative amount ofenergy availale at each trophiclevel. (rganisms use aout 17percent of thisenergy forlife processes.
/he rest is lostas heat.
Section 3-*
Ecological "#ramids
7/25/2019 Chapter 03 Ecology ppt
10/22
Go toSection:
Section 3-*
Figure 3-$ % Food &eb
7/25/2019 Chapter 03 Ecology ppt
11/22
Go toSection:
It.s aining It.s (ouring
8ow many times have you had to change your plans ecause of rain #tproaly didn9t help if someone tried to cheer you up y saying, &ut we really
need the rain.;
8owever, rain is important. #f it didn9t rain, how would living things on land get
water
Section 3-3
Interest Grabber
7/25/2019 Chapter 03 Ecology ppt
12/22
Go toSection:
1. When rain falls on the ground, it either soa2s into the soil or runs acrossthe surface of the soil. When rainwater runs across the land, what odyof water might collect the rain
!. rom here, where might the water flow
". After the rain, the sun comes out and the land dries. Where does thewater that had een on the land go
$. )onstruct a diagram that would illustrate all the places a molecule ofwater might go. &egin with a raindrop and end with a cloud.
Section 3-3
Interest Grabber continued
7/25/2019 Chapter 03 Ecology ppt
13/22
Go toSection:
33 Cycles o# "atter
A. 5ecycling in the &iosphere
&. /he Water )ycle
). utrient )ycles
1. /he )aron )ycle
!. /he itrogen )ycle
". /he 0hosphorus )ycle
6. utrient 'imitation
Section 3-3
Section Outline
7/25/2019 Chapter 03 Ecology ppt
14/22
Go toSection:
)ondensation
Seepage
5unoff
0recipitation
/ranspiration*vaporation
5oot
7/25/2019 Chapter 03 Ecology ppt
15/22
Go toSection:
C$*in)tmosphere
C$*in $cean
Section 3-3
Figure 3-(3 T'e Carbon C#cle
7/25/2019 Chapter 03 Ecology ppt
16/22
Go toSection:
*in )tmosphere
03
$3-
an! $*-
Section 3-3
Figure 3-() T'e *itrogen C#cle
7/25/2019 Chapter 03 Ecology ppt
17/22
+ideo
)lic2 the image to play the video segment.
)ycles in ature
7/25/2019 Chapter 03 Ecology ppt
18/22
/he latest discoveries in preserving the environment
'in2s from the authors on e-ploring ecology from space
#nteractive test
or lin2s on energy pyramids, go to www.Sci'in2s.org and enter theWe )ode as follows: cn=!7"!.
or lin2s on cycles of matter, go to www.Sci'in2s.org and enter the We)ode as follows: cn=!7"".
Go Online
http://www.millerandlevine.com/issues/exploring-ecology/index.htmlhttp://www.phschool.com/quiz/biology_phb_quiz.html?chapter=3&questions=10http://www.phschool.com/quiz/biology_phb_quiz.html?chapter=3&questions=10http://www.millerandlevine.com/issues/exploring-ecology/index.html7/25/2019 Chapter 03 Ecology ppt
19/22
Interest Grabber %ns,ers
1. What living things are found in and around your school
'iving things in the school are students, teachers, principal, assistant principals, clerical staff, custodians, lunchroom staff. Students may also include animals in science las. 'iving thingsaround the school include grass, trees, shrus, insects, irds, and so on.
!. What nonliving things are found in your school
/he uilding, furniture, des2s, oo2s, papers, and so on
". #nto what large groups are the students in your school divided
>th, 17th, 11th, 1!th grades, or years
$. #nto what smaller groups are these large groups divided
)lasses
%. Are these groups ever divided into even smaller groups #f so, what are these groups
Students may say that science classes are divided into la groups? other classes may e divided into groups for pro@ects.
7/25/2019 Chapter 03 Ecology ppt
20/22
Go toSection:
Interest Grabber %ns,ers
1. +a2e a list of five foods that you li2e to eat. #ndicate whether the food comes from a plant 3producer4 or an animal 3consumer4.
Student lists will e individualized. (ne possile e-ample would e a hamurger, which comes from a cow or steer.
!. 'i2e many irds, chic2ens eat grains, which are seeds. Where do seeds come from
Seeds come from plants.
". +eat comes from eef cattle. What do cattle eat
)attle eat grass or grains.
$. )onstruct a diagram showing how one of your favorite foods otains its energy. #nclude as many levels as you can.
Student diagrams will e individualized ased on their food choice.
7/25/2019 Chapter 03 Ecology ppt
21/22
Interest Grabber %ns,ers
1. When rain falls on the ground, it either soa2s into the soil or runs across the surface of the soil. When rainwater runs across the land, what ody of water might collect the rain
0ossile answers: a stream, river, pond, or la2e
!. rom here, where might the water flow
#nto a river, and eventually into the ocean
". After the rain, the sun comes out and the land dries. Where does the water that had een on the land go
#t evaporates and ecomes a gas in the atmosphere.
$. )onstruct a diagram that would illustrate all the places a molecule of water might go. &egin with a raindrop and end with a cloud.
Student diagrams may include the following: a raindrop B lawn B
a stream B river B large la2e B atmosphere B cloud.
7/25/2019 Chapter 03 Ecology ppt
22/22
/his slide is intentionally lan2.
top related