Levels Of Organization
Symbiosis
Population Dynamics
Energy through the Ecosystem
Vocuabulary
100

The largest Ecological Level

Biosphere

100

Symbiosis is

The close relationship between two different species

100

The maximum population and environment can support is the ...

Carrying Capacity

100

Describe what a food chain shows.

Direction of Energy into the one eating the other.

100

An Autotroph and a Producer are synonyms. What makes an organism an autotroph?

They make their own food

200

The Smallest Ecological Level

Organism/individual
200

Both of us benefit, we have this kind of relationship.

Mutualism

200

A forest has 500 deer. Throughout the year: 120 deer are born, 85 deer die, 40 deer immigrate, and 55 deer emigrate. What is the new population or deer in the forest?

520 deer

200

A trophic level is

The place in the food chain an organism falls

200

Ecology is the study of what?

The interactions amoung organisms and betweeen organisms and their environment.

300

List all Ecological levels that are just BIOTIC factors

Organism/individual, Population, Community

300

I benefit but I harm others, what am I?

A Parasite
300

An island starts with 80 inhabitants. During a year: 50 people move to the island, 20 people leave the island, 30 babies are born, and 10 people die.

What is the island’s new population?

130 people

300

The amount of energy that moves up each step of the pyramid

10%

300

A system of interlocking and interdependent food chains make

 A food web

400

The first ecological level to include abiotic factors

Ecosystem

400

I benefit but I don't affect anyone else. We have this kind of relationship?

Commensalism
400

What type of graph is shown when a ecosystem reaches the carrying capacity?

S curve or Logistic

400

The source of ALL the energy in an ecosystem

What is The Sun?

400

What is another word that means consumer?

Heterotroph

500

List all ecological levels in order from largest to smallest

Biosphere, Biome, Ecosystem, Community, Population, Organism/Individual

500

Give me a natural example of parasitism

Varied Answers will be accepted

500

A bird colony begins with 1,000 birds in June of 2025. During the year, 300 chicks hatch, 150 birds die, 750 birds migrate for the winter and 125 birds leave for another colony.

What is the bird population in June of 2026?

1,025 birds

500

If a rabbit needs 600 units of energy a day, a blade of grass is 10 units of energy, and a hawk eats 5 rabbits a day, how much energy does a hawk get each day?

300 Units of Energy.

500

Organisms that eat both producers and consumers are called

Omnivores