ANHB1102 Lecture Notes - Lecture 33: Dont

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edwinasim

29 May 2018

School

UWA

Department

Anatomy and Human Biology/Anatomy, Physiology and Human Biology

Course

ANHB1102

Professor

All

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Human Ecology 1 Notes

Ecology = interaction

between population and

the environment it is

living in

Relationship means that individual in population

interact with something in the environment at some

point in their lifetime

- What are the things that increases/decreases

a orgais’s surial/fitess

- Biological: not just anat and phy, but how you

use that in every day interaction with environment

(behavior)

- Evolutionary: evolution of behavior and

morphology

- Cultural: just for humans:

- Basic requirement for life: needs

- Environment is hostile because it is changing:

conditions that organisms must deal with is different

from the conditions that they evolved from (eg. Climate

change)

- It has competitors: other organisms trying to get the

same thing you need

- Biggest competitor = those with similar needs

- Competing for resources

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- Happens across generations

- A process/outcome from natural selection

- Some characteristics we have are related to

survival and reproductive success OR our

phylogenetic history, but not necessarily adaptive

to current environment

- Does’t ea that eer eistig trait is a

adaptation

- Since over generations: SLOW

- Result of competition

- Influenced by limiting resources

- The lowest availability of a resource that is

important = limited resource

- It is not changing the basic

phenotype

- Changes are often but not

always reversible

- Eg. Tanned skin

- Ability to do this is genetic, but

the change itself is not genetic

- Developmental plasticity: not

due to differences in genes but due

to genetic ability of organism to

change its developmental trajectory

due to the environment

characteristic it is staying in – by

turning off/inhibiting certain

genes/DNA to be read and

transcribed

- Interaction between environment as it is a response

- to ~ are species wide: any human put in certain situation: will adapt

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Document Summary

Ecology = interaction between population and the environment it is living in. Relationship means that individual in population interact with something in the environment at some point in their lifetime a(cid:374) orga(cid:374)is(cid:373)"s sur(cid:448)i(cid:448)al/fit(cid:374)ess. Biological: not just anat and phy, but how you. Evolutionary: evolution of behavior and use that in every day interaction with environment (behavior) morphology. Environment is hostile because it is changing: conditions that organisms must deal with is different from the conditions that they evolved from (eg. climate change) It has competitors: other organisms trying to get the same thing you need. Biggest competitor = those with similar needs. Some characteristics we have are related to survival and reproductive success or our phylogenetic history, but not necessarily adaptive to current environment. Does(cid:374)"t (cid:373)ea(cid:374) that e(cid:448)er(cid:455) e(cid:454)isti(cid:374)g trait is a(cid:374) adaptation. The lowest availability of a resource that is. Influenced by limiting resources important = limited resource. Changes are often but not always reversible.

Related Questions

Please Help. Thank you very much.

Ecology is the study of how organisms interact with their environment. Thus, a central question in ecology concerns how organisms respond to environmental variation. The flip side of this question is to ask whether the variation in characteristics of organisms is the result of variation in features of the environment. This variation can occur in space or through time.

1. Make a list of all the environmental variables that you can think of that are likely to be important to organisms. Think about plants and microbes as well as animals.

1A. One environmental change of great concern to us is climate change, specifically the prospect of human-caused global warming, a topic to which we will return. How do organisms respond to this spatial and temporal variability in the environment?

Prompt #3: Please provide very detailed information. Thank you.

Plants and animals do not operate independently of one another. In fact, it is how these organisms interact that often defines form and function. Ecology is the branch of biology that focuses on these species interactions with each other in the habitats that they live. In light of the many human-induced changes to the environment, it would be impossible to study ecology without accounting for anthropogenic effects. Assume you are an ecologist studying local flora and fauna in San Diego. Describe the effects of human development in a local habitat (e.g. coastal, desert, chaparral, grassland, wetland, etc.). How will continued global climate change effect species adapted to a specific environment? What conservation and management measures could be implemented to protect native species in San Diego?

Shawnta used several terms in her post that I want to be sure everyone understands. Ecology is studied with a hierarchy, similar to the hierarchy of classification. The lowest level is the individual. A group of individuals of the same species that live in the same area is called a population. All of the different populations that live in the same area make up a community. So far we have only been talking about the living organisms. When you add in the non-living components of an area you have an ecosystem. The living parts of an ecosystem are called the biotic components and the non-living parts are called the abiotic components.
What are some of the abiotic components that affect what can live in an ecosystem?

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ANHB1102 Lecture Notes - Lecture 33: Dont

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