AP Biology Ecology Math

Which of these are needed before you can begin photosynthesis? Click all that apply.

• Carbon dioxide

• ATP

• Water

• Oxygen

Tags

NGSS.MS-LS1-6

Which of the following is a primary producer in an ecosystem?

• A) Deer

• B) Grass

• C) Wolf

• D) Mushroom

Tags

NGSS.MS-LS2-3

In a food web, which organism is most likely to be a tertiary consumer?

• A) Grasshopper

• B) Rabbit

• C) Snake

• D) Hawk

Tags

NGSS.MS-LS2-3

What is the primary source of energy for the Earth's ecosystems?

• A) Wind

• B) Water

• C) Sunlight

• D) Geothermal

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following best describes the term 'carrying capacity'?

• A) Maximum population size an environment can sustain

• B) Minimum population size needed for survival

• C) Average population size over time

• D) Population size at equilibrium

In the nitrogen cycle, which process converts nitrogen gas into ammonia?

• A) Nitrification

• B) Denitrification

• C) Nitrogen fixation

• D) Ammonification

Which of the following is an example of a keystone species?

• A) Sea otter

• B) Grass

• C) Ant

• D) Sparrow

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the role of decomposers in an ecosystem?

• A) Produce energy

• B) Break down dead material

• C) Compete with producers

• D) Consume primary consumers

Tags

NGSS.MS-LS2-3

Which of the following equations represents photosynthesis?

• A) @@ ext{C}_6 ext{H}_{12} ext{O}_6 + 6 ext{O}_2 ightarrow 6 ext{CO}_2 + 6 ext{H}_2 ext{O}@@

• B) @@6 ext{CO}_2 + 6 ext{H}_2 ext{O} ightarrow ext{C}_6 ext{H}_{12} ext{O}_6 + 6 ext{O}_2@@

• C) @@ ext{C}_6 ext{H}_{12} ext{O}_6 ightarrow 2 ext{C}_2 ext{H}_5 ext{OH} + 2 ext{CO}_2@@

• D) @@ ext{N}_2 + 3 ext{H}_2 ightarrow 2 ext{NH}_3@@

Tags

NGSS.MS-LS1-6

Which of the following is a density-dependent factor that affects population growth?

• A) Earthquake

• B) Flood

• C) Disease

• D) Temperature

Tags

NGSS.MS-LS2-4