EcoSystems

Ecosystems - 2

Photosynthesis

Transfer of Energy in Ecosystems

Planet Earth Mountains

Planet Earth - Fresh Water

100

What is an ecosystem?

An ecosystem is a system of interactions between organisms and their environment.

200

Provide the defination for abiotic and biotic.
 

Abiotic refers to the non-living parts of an ecosystem. Biotic refers to the living or once living parts of an ecosystem.

300

What is an organism?

An organism is a single life form, like a plant or animal.

400

What is photosynthesis?

Photosynthesis is the process of tunring sunlight into food.

500

                     Community   Living   Populations   Habitat   Ecosystems   Organisms

 

An _______________ is a system where ___________ and non-living things interact. An ecosystem's living members make up a ___________, and the ecosystem is their __________, providing them with what they need to live. Many different species of ___________ form an ecosystem, but their ___________ can vary depending on their roles.

An ECOSYSTEM  is a system where LIVING and non-living things interact. An ecosystem's living members make up a COMMUNITY, and the ecosystem is their HABITAT providing them with what they need to live. Many different species of ORGANISMS form an ecosystem, but their POPULATIONS can vary depending on their roles.

100

Describe several abiotic and biotic features of a ocean/marine ecosystem.

Biotic - fish, algae, whales, dolphins, seagull

Abiotic - Sea water, rocks, sand

200

Describe several abiotic and biotic features of a desert ecosystem.

Biotic - Rattlesnake, sage, coyote, cactus

Abiotic - sand, rocks, sunlight, fresh water

300

Describe the interaction that takes place between the abiotic and biotic elements.

A deer eats grass that is growing on the sandy soil. The grass dies off in the winter snow as it covers the soil, and then returns in the spring when their is more sunlight to make the plants grow.

Deer - Grass = Biotic/Biotic

Grass - Soil = Biotic/Abiotic

Grass - Snow = Biotic/Abiotic

Snow - Soil = Abiotic/Abiotic

Plants - Sunlight = Biotic/Abiotic

400

                                   Organism      Smaller      Food Chain      Eaters

As energy is transferred from one ____________ to another, some energy is lost. Only a small amount of an organisms energy is transferred in a ______________ ; therefore, an ecosystem needs more of the eaten than the __________. The higher up an organisms is in the food chain, the ___________ its population.

As energy is transferred from one ORGANISM to another, some energy is lost. Only a small amount of an organisms energy is transferred in a FOOD CHAIN ; therefore, an ecosystem needs more of the eaten than the EATERS. The higher up an organisms is in the food chain, the SMALLER its population.

500

A new pod of orcas has come to an area where another pod already lives. Describe what might happen to the animals in the energy pyramid if they stay/

If there are too many orcas in an area then the number of seals and fish will greatly reduce. This can then lead to starvation in the orca community.

100

What is photosysnthesis?

Green plants use their leaves and other green parts to make their own food, a sugar, through a process called PHOTOSYNTHESIS.

200

What are chloroplasts?

Inside all green plants are tiny parts called CHLOROPLASTS where photosynthesis takes place. Within each chloroplast is a chemical called CHLOROPHYLL that is essential to photosynthesis and makes plants appear green.

300

What is the role of chlorophyll and where is it located?

CHLOROPHYLL is located within chloroplasts. CHLOROPHYLL, along with Carbon Dioxide that plants take in, and water they absorb using their roots, react with sunliight to make sugar. The process of photosynthesis also produces oxgen as waste.

400

Describe the interaction between Biotic and Abiotic elements for photosynthesis.

Plants (biotic) interact with sunlight, water, and carboin dioxide (abiotic) to make sugar and oxgen (abiotic) in an essential interaction necessary for life.

500

Which mountain animal has adapted so that it's primary diets is grass?

The Gelda Baboon lives in a high mountain region and has adapted to that region by consuming a diet primarily of grasses.

100

Describe carnivore, herbivore and omnivore.

A CARNIVORE eats only animals. A HERBIVORE only eats plants. An OMNIVORE eats plants and animals.

200

Describe the role of fungi is ecosystems.

FUNGI are organisms that recycle nutrients by decomposing other organisms.

300

WASTE   FUNGI   FOOD   HERBIVORES   GROWTH   CARNIVORES   NUTRIENTS

 

Plants convert energy from the sunlight into________. They are producers.___________ and omnivores eat plants to get energy. They are primary consumers. ___________ and omnivores eat primary consumers. They are secondary consumers. Decomposers, such as bacteria and _________, convert plants and animals and their _______ into carbon dioxide and_________. Nutrients become part of the soil and are essential to plant _________.

Plants convert energy from the sunlight into FOOD. They are producers.HERBIVORES and omnivores eat plants to get energy. They are primary consumers. CARNIVORES and omnivores eat primary consumers. They are secondary consumers. Decomposers, such as bacteria and FUNGI, convert plants and animals and their WASTE into carbon dioxide and NUTRIENTS. Nutrients become part of the soil and are essential to plant GROWTH.

400

Can some animals be both primary and secondary consumers? Explain.

Yes. Many animals, depending on the source and abundance of food, will be both a primary and secondary consumer.

500

Describe the type of relationship that exists between Gelada Baboons and Waila Ibex?

They have a mutaully benefical relationship that is designed to keep both animals safe. They graze in the same area so that both animals can keep a look out for wolves.

100

Describe three abiotic features that influence the Rocky Mountains.

1. Avalanches - Snow

2. High Altitude and a range that runs from Alaska to South America

3. They are at the end of there life cycle

4. Rocks

5. High Peaks and Snow Ridges

200

Provide two adaptations of the Snow Leopard.

1. Camoflouge (blends in with the environment)

2. Long Tail (Ideally suited for balance)

3. Large Paws (helps with stability in the high mountian range)

300

The Giant Panda eats a very specific type of bamboo with very little nutritional value. Why does it do this?

The Panda stays in the same place all year, even though the bamboo is not nutritional becuase it wants to avoids the seasonal dependance of other food sources which requires travelling up and down the mountain sides. They would also have to compete with other animals for those resources and therefore stays in the same place.

400

Nothing lives at the top of Mt. Everest because the altitude is so high. What is the biggest change in climate that occurs as you increase in altitude?

The biggest change would be temperature, inabilitiy of plants to grow, and lack of oxygen.

500

Describe the relationship between Grizzly Bears and moths. Why do think bears use the moths in this way?

This is a predator prey relationship. The bears eat the moths because of the high fat content which is needed for the sevearl long months of hiberation.

100

Describe the source of all fresh water? What type of life is able to be supported in the beginning stages of this cycle?

The source of all fresh water is precipitation (rain/snow/hail) primarly in high mountain regions. At the ebginning stages the water is very high in oxgen and low in nutrients. As a result, only small organisms can be supported, however, as water continues on it's journey it picks up nutrients and is able to support a wider variety of organisms.

 

200

What is so special about the salmon migration? Describe one of the salmon's predators.

Salmon migration is the largest fresh water migration of fish in the world and salmon return long distances upstream so that their are fewer predators to eat their eggs and young. Grizzly bears are a predator of salmon.

300

What holds more fresh water than all the rivers?

Lakes hold more than 20x the amount of fresh water found in rivers.

400

What is the most erosive water force?

Rivers provide the most erosive force. The constant action of a moving river gradually, over a long period of time, will break down other abiotic features (rocks, sand, soil, etc...)

 

500

Why is the Amazon especially rich in life?

In the final stages of the Amazon the river slows and is rich in nutrients which supports a wide variety of life. It also blends with ocean water and as a result creates much more diversity in life and organisms.

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