Is this a biotic or abiotic factor?

• biotic

• abiotic

This level of ecology is called

• population

• community

• ecosystem

• biosphere

Larger scale ecosystems with unique patterns of weather is called

• population

• community

• biomes

• individual

Secondary consumers

• trees, grass

• deer, rabbit, mouse, cricket

• mountain lion, hawk, snake, frog

Tertiary consumer(s)

• trees, grass

• deer, rabbit, mouse, cricket

• mountain lion, hawk, snake, frog

• hawk

If 56,000 kJ of energy is passed in the cricket, how much energy is passed on to hawk?

• 56,000 kJ

• 560,000 kJ

• 5,600 kJ

• 560 kJ

The symbiosis relationship between humans and tapeworms

• mutualism

• parasitism

• commensalism

• predator-prey

Lichens are fungi and algae living together where the fungi provide a structure and the algae provides food. They are examples of

• mutualism

• parasitism

• commensalism

• predator-prey

This relationship is

• mutualism

• parasitism

• commensalism

• predator-prey

How do decomposers break down dead matters?

• They eat them

• They use acid to break down large molecules

• They use enzymes to break down large molecules

• They make them mold