'Food webs' presentation slideshows

Community ecology

Community ecology. Outline: Community structure: attributes Factors influencing the structure of communities Community dynamics Chapter 16-18. Community attributes. # of species Relative abundance of species Nature of species interactions (food webs) Physical structure .

1.94k views • 75 slides

Community Properties

382 views • 27 slides

Community Properties

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Food Webs

Food Webs Chapter 17 Community Webs Summerhayes and Elton studied feeding relations on Bear Island in High Arctic. Primary producers were terrestrial plants and aquatic algae. Fed on by several kinds of terrestrial and aquatic invertebrates. Consumed by birds.

1.17k views • 26 slides

Food Webs

Food Webs. Chapter 17. Community Webs. Summerhayes and Elton studied feeding relations on Bear Island in High Arctic. Primary producers were terrestrial plants and aquatic algae. Fed on by several kinds of terrestrial and aquatic invertebrates. Consumed by birds.

695 views • 26 slides

Food Chains and Energy Pyramids

Food Chains and Energy Pyramids. By: Brianna Shields November 1, 2004. DO NOW. 1. Which biome is cold, has flat, bare land, few plants and animals, and permafrost? 2. What makes up a community? 3. What makes up a population?. GOAL.

453 views • 25 slides

Ecology week 3 Human Impact on the Environment

Ecology week 3 Human Impact on the Environment. Humans in the Biosphere. Like all organisms, we humans participate in food webs and chemical cycles. Among human activities that affect the biosphere are hunting and gathering, agriculture, industry, and urban development. Humans in the Biosphere.

1.06k views • 23 slides

The Shelf Sea Ecosystem

The Shelf Sea Ecosystem. Dr. Mark Moore Rm. 456/18 E-mail: cmm297 20th February 2003. Introduction Primary production in shelf seas Secondary production and food webs The physics of shelf seas as a control on food web structure Review and conclusions. Primary production in shelf seas

459 views • 23 slides

Objective 3 Taks Review

Objective 3 Taks Review. Bacteria and Viruses, Ecology, Evolution and Adaptations. Cell Wall. Crystalline structure. Cytoplasm. Ribosome. TEK 4C and 4D: Bacteria and Viruses. Crystalline structure. Characteristic Bacteria Viruses. Characteristic Bacteria Viruses.

409 views • 23 slides

Notes: Energy in Ecosystems, Different Ecosystems and Environmental Succession

Notes: Energy in Ecosystems, Different Ecosystems and Environmental Succession. Sci.7.12B, Sci.7.8B and Sci.7.12D. What is an Ecosystem?. An ecosystem is composed of all the living and nonliving things that interact in a particular area.

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Flow of energy in ecosystems

876 views • 21 slides

WELCOME TO:

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Daily TAKS Connection: Food Chains, Food Webs, and Food Pyramids

Daily TAKS Connection: Food Chains, Food Webs, and Food Pyramids. BIO (12): The student knows that interdependence and interactions occur within an ecosystem. The student is expected to:

636 views • 15 slides

299 views • 14 slides

Trophic* Relationships

Trophic* Relationships. This way to define organisms within an ecosystem is based, simply put, on what they eat and who eats them. * Greek for nourishment. With respect to trophic levels, marine organisms can be grouped into 3 categories:.

592 views • 12 slides

Trophic* Relationships

Trophic* Relationships. This way to define organisms within an ecosystem is based, simply put, on what they eat and who eats them. * Greek for nourishment. With respect to trophic levels, marine organisms can be grouped into 3 categories:.

477 views • 12 slides

Chapter Two

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Interaction of Dynamics And Structure in Food Webs Jonathan Cannon Gavin Fay Andrew Hein

Interaction of Dynamics And Structure in Food Webs Jonathan Cannon Gavin Fay Andrew Hein Vanessa Weinberger. Background. The dynamical perspective on food webs asks how populations of consumers and producers vary over short time scales.

270 views • 9 slides

Food Webs

Food Webs. Food Webs are Food Chains that intersect each other. Food webs are what really happens in nature. All Food Chains and Webs start with the sun. The sun is the source of all the energy on the earth.

248 views • 8 slides

Food Webs

Food Webs. Food Webs are Food Chains that intersect each other. Food webs are what really happens in nature. All Food Chains and Webs start with the sun. The sun is the source of all the energy on the earth.

238 views • 8 slides