Ecosystem Services
Organism Interactions
Primary Productivity
Energy Flow
Anything!
100

Fishing tournaments take place in coastal waters

Cultural

100

Birds engaging in a dance off to secure a mate

Intra-specific competition

100

What is the source of energy in photosynthesis?

Sunlight

100

The herbivore trophic level

Primary consumer

100

Allows different species to colonize different parts of the intertidal zones

Niche Partitioning

200

Honey provided by wild bees

Provisioning

200

Organisms that cannot produce the nutrition they need through photosynthesis.

Heterotroph or consumer

200

Where does most of the energy released in cellular respiration go?

Lost as heat

200

When drawing out the food web below, which way should the arrow point?

Eagle       Snake       Mouse       Grain

To the left (towards the consumer)

200

A species that has an outsized role in its ecosystem

keystone species

300
Absorption of carbon dioxide by forests and oceans

Regulating

300

Consumers that release nutrients back to the ecosystem when they consume the wastes of or remains of dead organisms.

What are decomposers.

300

Energy stored by plants

Net primary productivity

300

What percentage of energy from a PRIMARY PRODUCER is available to a PRIMARY CONSUMER?

10%

300

Water in a desert or amount of sunlight on the floor of a rainforest

Limiting factors

400

Cycling of nutrients through multiple ecosystems

Supporting

400

Orchids grow on trees and do not take any resources from the tree

Commensalism

400

Which organisms perform cellular respiration?

All of them

400

Dry weight of all organic matter

What is biomass?

400

Example of a keystone modifier

beavers damming rivers; animals burrowing holes used by other animals;

500

Coral reefs are home to 25% of marine species

Supporting

500

An organism that makes its own food

Autotroph or producer

500

This process converts chemical energy into useable energy

Cellular respiration

500

If the primary producer has a biomass of 5,000 kg in an ecosystem, what biomass can we expect from a SECONDARY CONSUMER?

50 kg

500

The starfish and otters are an example. When removed allow herbivore populations to outcompete and take over

Keystone predators

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