B7 ecology

Question 1

sort population, ecosystem and community from smallest to biggest

Answer 1

population, community, ecosystem

Question 2

name 3 abiotic factors

Answer 2

PH levels, CO2 levels, light intensity, moisture levels, temperature

Question 3

name 3 biotic factors

Answer 3

food, predators, pathogens, competition

Question 4

order tertiary consumer, primary consumer, producer and secondary consumer from smallest to biggest

Answer 4

producer, primary consumer, secondary consumer, tertiary consumer

Question 5

describe the carbon cycle

Answer 5

-plants consume CO2 for photosynthesis and are consumed by other creatures
-CO2 is returned to the atmosphere when these plants respire or when decomposers respire when breaking them down after they die
-CO2 is also returned when fossil fuels are burned

Question 6

what is a peat bog

Answer 6

acidic bogs made of plant material that has not fully decayed when they are destroyed they produce a large amount of CO2