Earth's Spheres
Ecosystem Components
Trophic Dynamics
Nutrient Cycles
Mixed Bag
100

Name the 4 spheres of Earth

What is geo, hydro, atmo, and biospheres?

100

In an environment, rocks, air, and sunlight are examples of this

What is abiotic?

100

A food _____ is one component of a larger, more complex food ______.

What is chain, web?

100

Name for cycle where Earth's water is collected, purified, and distributed

What is hydrologic cycle?

100

Term for solar energy reflected from Earth's surface and interacting with water vapor and greenhouse gases in the atmosphere

What is greenhouse effect?

200

Parts of atmosphere, hydrosphere, and geosphere where life exists

What is biosphere?

200

Carbon dioxide + water + light --> oxygen + glucose

What is photosynthesis?

200

Plants are this trophic level

What is producer? **Will also accept primary producer, first trophic level, primary trophic level

200
Briefly describe the water cycle

What is: water evaporates, condenses into clouds, precipitates, repeat

200
The study of how organisms interact with each other and their abiotic environment?

What is ecology?

300

Name one thing the geosphere contains that humans/life use (Double your points if you name 3 things)

What are nutrients, nonrenewable resources, minerals, resources? **Will accept any of those

300

_____ respiration uses oxygen, while ______ is done without oxygen

What is aerobic, anaerobic?

300

This type of consumer eats meat and plants

What is an omnivore?

300

Name one way humans affect nutrient cycles (DOUBLE your points if you name 3 ways)

What is runoff, mining, burning fossil fuels, global warming (forest fires), extracting freshwater, clearing vegetation, urbanization....?

300

Name 1 way scientists directly study ecosystems (DOUBLE your points if you name 1 way scientists indirectly study ecosystems)

What is: direct observations/experiments, GPS tracking, cameras, GIS mapping ; lab experiments, modeling?

400

% of water available as freshwater

What is 3?

400

Rank these from most specific to most broad: Ecosystem, Population, Organism, Community    

What is organism, population, community, ecosystem?

400

This % of energy is transferred from one trophic level to the next

What is 10%?
400

____ cycles through rocks, soil, water, life, but not the atmosphere

What is phosphorus?

400

This atmospheric element can't be used directly by organisms; bacteria break it down so plants can absorb it and it can enter the food web

What is nitrogen?

500

Ecosystem service(s) the atmosphere provides

What is protection from meteors, blocks UV rays, regulates climate? **Will accept any of those

500

An ecosystem with high NPP

What is rainforest? **Will accept productive parts of ocean or forest

500

Consumer that feeds on freshly dead organisms, before they're decomposed

What are detritivores?

500

Describe how carbon is cycled through the biosphere

What is: photosynthesis, aerobic respiration, marine sediments?

500

Identify trophic level of grass, frog, and fungus in the food chain: Grass < grasshopper < frog < snake < hawk < fungus

What is: grass (producer), frog (2 consumer), fungus (decomposer)?

600

What spheres does the water cycle affect?

What is: geosphere, hydrosphere, atmosphere, biosphere?

600

Rate of an ecosystem's photosynthesis

What is gross primary productivity (GPP)?

600
In the food chain below, what trophic level is the tuna? Phytoplankton < fish < squid < tuna (HINT: Phytoplankton photosynthesize)

What is quaternary trophic level (or tertiary consumer)?

600

Briefly describe the phosphorus cycle

What is: rock erodes, ions wash into soil/water, producers absorb, consumers eat producers; trapped in sediments?

600
Photosynthesis minus cellular respiration

What is NPP (net primary productivity)?