Show:
extinction and theories
geological time scale and fossil record
symbiosis
food web and energy flow
prince science trivia
100
Many scientist believe asteroids hit the dinosaurs, causing ___________ __________
What is the cause of dinosaurs extinction?
100
This is the period that humans live in.
What is the quateranary era?
100
The shark and the lamprey have this relationship.
What is parasitism?
100
Every food web (food chain, etc.) starts with this.
What is the sun?
100
These 2 organisms interact by giving each other carbon dioxide and oxygen.
What are humans and plants?
200
The dinosaurs went extinct in the this period.
What is the cretaceous period.
200
This is a animal that relates to the wooly mammoth.
What is the elephant?
200
The shark and the remora have this symbiotic relationship.
What is commensalism?
200
This shows producers, consumers, decomposers and what eats what.
What is a food web?
200
This bird became extinct by being hunted, by 1907 there were about 100 left. A)Heath Hen B)Dodo Bird C)Carolina Parakeet
What is a Heath Hen?
300
This breed of parakeet was considered a pest, and killed off by humans.
What is the Carolina Parakeet?
300
This is when a whole species dies off.
What is extinction?
300
A mosquito and any warm blooded creature have this relationship.
What is parasitism?
300
This animal eats veggies.
What is herbivore?
300
Scientists believe that dinosaurs became extinct by these 4 theories.
What is the Asteroid, Disease, Size and Climate theory?
400
This was the first time scale after the Big Bang.
What is Archean?
400
Dinosaurs lived is this period.
What is the Triassic Period?
400
This means an animal that is hunted.
What is a prey?
400
This animal group eats only meat.
What is carnivore?
400
In 1974 this type of salmons population went way, way up.
What is a coho salmon?
500
This flying dinosaur was one of the most common talked about dinosaur.
What is a pterodactyl?
500
This has all the eons, eras and periods
What is a geological time scale?
500
A relationship in which two different organisms live in close association with each other.
What is symbiosis?
500
This is made up of a community of plants and animals.
What is an ecosystem?
500
Tundi Agardy, Daniel Simberloff, Ariel E. Lugo and Peter Ward all study this.
What are mass extinctions?