quiz 1 part 2

Question 1

DDT

Answer 1

insecticide that was banned in 1972

Question 2

silent spring

Answer 2

Rachel Carson’s book about effect of DDT on eagles and influential in environmental environment

Question 3

invasive species

Answer 3

move into new environment and grows exponentially at first

Question 4

Foundational species

Answer 4

important in an ecosystem because there are many of them ( producers ex)

Question 5

Keystone species

Answer 5

More important than their abundance would suggest

ex: predators

Question 6

Parasitism

Answer 6

one species harms but doesn’t kill the other

Question 7

Commensalism

Answer 7

Two species live together. Only one benefits

Question 8

Mutualism

Answer 8

Two species live together, and both benefit

Question 9

Predation

Answer 9

one species kills and eats another

Question 10

Competition

Answer 10

Two species trying to get the same resource

ex: food

Question 11

Ozone layer

Answer 11

form of Oxygen and filters out dangerous solar radiation

Question 12

Chlorofluorocarbons

Answer 12

Aerosol propellants that nearly destroy the ozone layer

Question 13

Pyramid of numbers

Answer 13

gets smaller as you get closer to the top, number wise

Question 14

Biological Pump

Answer 14

living things remove a compound from an ecosystem or the biosphere and do not return it.

Question 15

Nitrifying Bacteria

Answer 15

Convert atmospheric nitrogen to soil nitrites, or nitrates

Question 16

Dentrifying bacteria

Answer 16

convert soil to atmospheric nitrogen

Question 17

Nitrates

Answer 17

NO3,, can be taken up by plants to make protiens

Question 18

Legumes

Answer 18

Peas, beans, lentils, roots have the nitrifying bacteria

Question 19

Niche

Answer 19

the “job” of a population in an ecosystem