17 Year Cicada
Cicadas spend most of their lives _______ ground.
What was the cause of the Valdez Oil Spill?
What is The Exxon Valdez oil tanker crashed into a reef.
Defintion: many different types of organisms in a healthy ecosystem
What is diversity
How do people affect ecosystems when they dig for Earth's underground resources?
what is destroying animal homes
This natural hazard can result when an area quickly receives large amounts of heavy rain
what is flood
Cicadas shed their ________ and leave them on tree trunks and other surfaces.
What is exoskeletons
What is Oil leaked out of the ship into the waters and onto the beaches of Prince William Sound
STages of recovery in a damaged ecosystem over time
what is succession
How do farmers affect ecosystems when they clear land to plant and grow food?
what is by disturbing food chains
or by removing animal habitats
The natural hazard can result when loosened soil and rock slide down a slope
what is landslide
Cicadas are herbivores that suck plant _____ from roots and other plants parts.
WHat are juices
What was another effect of the Valdez Oil Spill?
What is clean up crews worked to wash the oil off of shorelines and affected animals.
what are endangered species
How does cutting down trees change ecosystems?
what is
by removing animal habitats
by disturbing food chains
this natural hazard can result sparks ignite dry vegetation
what is wildfire
One way cicadas help their ecosystem is by digging ________ in the soil that allow air and water to flow deep into the ground.
what are tunnels
What is a third effect of the Valdez Oil Spill?
What is large numbers of fish, birds, and other wildlife were killed.
relating to the way organisms work together
cooperative
How do people make efforts to restore and protect ecosystems?
what is
by creating national parks
by passing laws to protect endangered species
True or False:
Healthy ecosystems must have a diverse variety of plants, animals, and decomposers.
what is true
List the animals that consume cicadas
what are deer, birds, raccoons, lizards, and squirrels
must have listed at least 2
From the graphic on page 55.. what are some specific names of species that were effected by the Valdez Oil Spill?
What are
river otters, killer whales, harbor seal...etc.. up to mrs dunbars discretion
to bring back to an original form
restore
Give an example of human effects on the ecosystem that you have witnessed in your life
true or false:
healthy ecosystems become unbalanced when minor changes occur, such as small temperature changes.
what is false