Spheres of Earth
Ecological Organization
Food Webs
Symbiosis
Vocabulary
100

Erosion of soil by means of water.

Hydrosphere and Geosphere

100

The portion of earth where life exists.

Biosphere

100

These organisms produce energy through the use of photosynthesis.

Producers/Autotrophs

100

Bees fly from flower to flower-gathering nectar, which they make into food. When they land in a flower, the bees get some pollen on their hairy bodies, and when they land in the next flower, some of the pollen from the first one rubs off, pollinating the plant.

Mutualism

100

Consists of all the water on Earth's surface, underground and in the air.

Hydrosphere

200

A tornado destroys a zoo.

Atmosphere and Biosphere

200

A single platypus.

Organism

200

These organisms are herbivores, therefore they are called ______________ consumers.

Primary

200

Mistletoe putting its roots into a host tree.

Parasitism

200

The community of organisms that live in a particular area, along with their nonliving surroundings. This includes abiotic and biotic factors.

Ecosystem

300

The lava from a volcanic eruption burns all vegetation in the surrounding area.

Geosphere and Biosphere

300

A coral reef.

Ecosystem

300

An organism that mostly consumes (eats) decaying biomass, such as meat or rotting plant material.

Scavengers

300

Remora fish are small fish that make their niche by picking up the scraps that sharks leave behind while feeding. The shark makes no attempt to prey on the remora fish.

Commensalism

300

A relationship between two species in which one species benefits and the other is neither helped nor harmed.

Commensalism

400

Lightning strikes a person.

Atmosphere and Biosphere

400

A pride (group) of lions.

Population

400

This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.

An Energy Pyramid

400

Dolphins at Two Step looking for their next meal.

Predation

400

An organism that breaks down wastes and dead organisms.

Decomposer

500

Water vapor condenses to form clouds.

Atmosphere and Hydrosphere

500

All of the living creatures in the Sahara desert.

Community

500

What is the percentage of energy is gained as it moves from producer to primary consumer to secondary consumer?

10%

500

Bacteria live in the colon of humans and are able to feed off the indigestible food that the human body cannot break down (cellulose of plants). In the process of breaking down the food, the bacteria also make much-needed vitamins that the human body in turn can use to keep healthy.

Mutualism

500

The smallest trophic level on an energy pyramid. They receive the least amount of energy from their food.

Tertiary Consumers

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