Biology Lesson 1 Revision (Food Webs & Food Chains)

A____________ is a linear sequence of organisms where energy is passed from one organism to the other.

• Food Web

• Food Chain

• Autotrophs

This image shows a

• Food Chain

• Food Web

Plants are known as ________

• Producers

• Primary Consumers

• Secondary Consumers

Producers are also known as __________

• Organisms

• Autotrophs

• Heterotrophs

Consumers are also known as __________

• Producers

• Autotrophs

• Heterotrophs

The frog in this diagram is in which trophic level?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

The 10% Energy Rules states that ......

• There is 10% more energy the higher you go up

• The energy decreases by 10% the higher you go up

• Only 10% of the energy goes to the next level

Name an organism that is an autotroph in this diagram

• Sun

• Snake

• Grass

An increase in the population of hawks will lead to a ____

• decrease in the population of grasshoppers

• decrease in the population of snakes

• increase in the population of rabbits

An increase in the population of frogs will lead to a ____

• decrease in the population of grasshoppers

• decrease in the population of snakes

• decrease in the population of rabbits