EOG Review - Ecology Unit

Poison Ivy growing on a tree by touch.

• Gravitropism 
• Phototropism
• Thigmotropism
• Hydrotropism

A plant growing in response to the sunlight. 

• Gravitropism 
• Phototropism
• Thigmotropism
• Hydrotropism

The shoot of a plant growing up. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism

The root of a plant growing down. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism

Cause: Effect::

• homeostasis : stimulant
• reflex : response
• response : fever
• stimulus : response

When the plant responds to water

• Phototropism
• Gravitropism
• Hydrotropism
• Thigmotropism

What is a producer?

• Organisms that make their own food
• Organisms that eat other organisms for energy
• organisms that break down dead organisms

What is pictured in the diagram?

• A food web
• A food chain
• An energy pyramid

What organisms are at the bottom of an energy pyramid?

• Producer
• Consumer
• Decomposer
• Scavenger

How much energy is passed on to each trophic level in an energy pyramid?

• 10%
• 90%
• 50%
• 80%