Maintaining Biodiversity What kinds of resources do humans

Maintaining Biodiversity

What kinds of resources do humans get from ecosystems? • Food, wood, rock, water, etc.

Give some examples of biodiversity that you see. • Plants, insects, deer, turkey, people

What is a keystone species and why is it important? • Plant or animal that has a big effect on the ecosystem • Help keep the ecosystem healthy

What important things can we see in a food web? What animals eat Matter cycling and energy flow

Besides plants, do other organisms get energy from the sun? • Yes • Algae, plankton, some bacteria

How can we measure the health of an ecosystem? • By looking at what lives there • Healthy ecosystems have many different kinds of plants and animals

Watch Maintaining Biodiversity

Explain why biodiversity in an ecosystem is important. • Helps an ecosystem stay healthy

Give an example of a keystone species and what could happen if it is removed • Sea star – removal could make the ecosystem collapse

How are food webs used to help explain ecosystem interactions? • How matter cycles and energy flows • Make predictions about resources • See interactions between species

Explain how humans rely on the biodiversity of an ecosystem. Give an example. • Food, energy, and medicine • Bees pollinate the plants of the food we eat

How do humans help protect the biodiversity of ecosystems? • Some jobs help protect them • Protected lands that limit or prohibit human use • National Parks

Give an example of a bioindicator and why are they important? • Frogs, birds • Behavior gives us clues that something is wrong with the ecosystem • Tells us that something needs to be fixed

Lab: Biodiversity in the area 1. Get your notebook and pencil 2. As a group, search for different species in the direct area 3. Write down what you see and draw a picture of each. 4. Create a mini observation journal 5. Note energy flow in the food web

Web. Quest: Rainforest 1. What are the two biggest rainforests? 2. Where are they? What is their climate like? 3. What species can be found there? 4. Are they in any danger of being depleted?