6.12A - Depend on & Compete Resources

What is a biotic factor in an ecosystem?

• A. Water

• B. Sunlight 

• C. Soil

• D. Tree

Define competition in your own words.

Categorize

Groups:

(a) Biotic Factor

,

(b) Abiotic Factor

• Temperature

• Soil

• Deer

• Air

• River

• Tree

• Rabbit

• Grass

• Eagle

• Sunlight

• Snake

Click on the organism that competes for the same food as a rabbit: grass, wildflowers, mouse, snake, hawk

In a dry year, plants may ​​ ​ ​ (a)   if there is ​ (b)   water.

• increase
• more
• stay the same
• decrease
• less

Which are abiotic factors?

• Air

• Soil

• Bird

• Light

Describe one way a lack of water can affect both plants and animals in an ecosystem.

Place the following in order from smallest to largest:

biosphere, population, ecosystem, organism, community

• population

• Organism

• Ecosystem

• Community

• Biosphere

What might happen if two species eat the same food in an area with little food?

• They will compete

• Both will grow in number

• They will move away from each other

• The producer population will increase

Which abiotic factor limits fish populations in a pond?

• Temperature

• Oxygen

•  Grass

• Frogs