Vocabulary
Population Growth
Ecological Relationship
Food Web
Energy Pyramid
100

What does Birth rate mean? 

the number of individuals born in a population in a given amount of time

100
How does birth rate affect the population 

Increases it

100

What is mutualism?

When two organisms benefit from one another

100

What is a food web? 

A food web is a diagram that shows how organisms in a community are connected by what they eat. It's made up of many interconnected food chains.

100

Which level has the most amount of available energy?

Bottom level or producers.

200

Define Death Rate 

 the number of deaths occurring in a population during a particular period of time.

200

How does death rate affect the population?

Decreases it 

200

What is Commensalism? 

When one organism benefits and the other is unharmed.
200

Which organisms are usually at the bottom of the food web? 

Producers / Plants 

200

Which level has the least amount of available energy?  

Apex predator,  Top level

300

Define Carrying Capacity 

the maximum population size of a species that an ecosystem can sustainably support over time without causing significant damage to the environment

300

What happens to the population when the population is  greater than the carrying capacity?

The population decreases 

300

What is parasitism?

 When one organism benefits and the other is harmed negatively.

300

What type of organisms are at the top of the food web.

 Apex Predator or Top Predators or Tertiary consumer 

300

As you go up the energy pyramid you decrease the available energy by  what %

10%

400

Define Immigration and Emigration 

Immigration is the act of entering a country, while emigration is the act of leaving a country.

400

Name 4 examples of limiting factors 

  • Food, Space, Predation , Sunlight , Water , Shelter 


400

What is the difference between parasitism and predation?

Parasitism is when one organism benefits and the other is harmed. 

Predation is when one animal eats another animal. 

400

Which two animals in this food web do not eat plants? 

Fox and Owl
400

If  producers are composed of 10,000 kcal how much would herbivores get out of those calories? 

1000 calories 

500

Define Limiting Factor

A limiting factor is a resource or condition that limits the growth of a population or system

500

Name 5 limiting factors 

Pass/ Fail

500

What type of Ecological relationship is this? ( Whale and Barnacle)

Commensalism 

500

Name all of the herbivores in this picture. 

Field Mouse, Quail , Beetle, Squirrel 

500

If producers are composed of 10,000 calories how much available energy would secondary consumers get after eating a primary consumer.

100 calories