population change
food webs
vocabulary
sea lamprey
trout
100
making new organisms
What is reproduction
100
a single pathway in a food web
What is a food chain
100
a nonliving part of an ecosystem
What is abiotic
100
The sea lamprey is a natural preditor in the Great Lakes - true or false
What is false, it is an invasive species
100
trout do not have jaws and suck the blood out of their prey- true or false
What is false, that is the sea lamprey
200

group of living and non-living things that interact together in an area.

What is environment/habitat

200
an organism that makes its own food from the sun
What is a producer
200

scientific study that takes place in nature

What is field study

200
The sea lamprey is the only reason the trout population was decreasing in the great lakes- true or false?
What is false- dioxins also played a part
200
What organ do aquatic vertebrates (other than mammals) use to breath in the water?
What are gills
300

3 ways humans have negatively impacted nature

What is deforestation, pollution, poaching, etc.

300
an organism that eats producers
What is a consumer
300

Indicator that detects a starch

What is Iodine

300
the sea lamprey are part of a healthy ecosystem in the atlantic ocean which includes tuna, swordfish, salmon and shark. true or false
What is true
300
Trout and sea lamprey both lay eggs. Which one of these organisms lays more eggs and dies once it has reproduced?
What are sea lamprey
400
needed for energy
What is food
400
an organism that breaks down living material to get nutrients (for example, a mushroom)
What is a decomposer
400
An organism which is not naturally found in a habitat
What is an invasive species
400
The sea lamprey has no natural predators in the Great lakes- true or false
What is true
400
The trout was affected by an abiotic pollutant in the great lakes. Name it
What is dioxin
500
type of scientist that studies living things
What is a biologist
500
type of relationship where one animal eats another
What is a predator/prey relationship
500
a relationship between two species which can be mutual, parasitic or commensal. (helpful to both, hurting one, or not harming either)
What is a symbiotic relationship
500
Name the five great lakes
What is Michigan, Erie, Huron, Superior and ontario
500
DDT affected the bald eagle population. How did it do this?
What is made the bald eagle eggs incapable of producing live hatchlings
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