Review For Ecology Quiz 6

What animal is the predator in the data?

• Snowshoe Hare

• Turtle

• Lynx

• Wolf

What are the ecological levels of organization from smallest to the largest?

• organism, population, community, ecosystem, biome, biosphere
• organism, community, population, ecosystem, biome, biosphere
• organism, population, community, biome, ecosystem, ecosphere.
• organism, community, population, biome, ecosystem, ecosphere

Explain how competition for resources can impact native species when an invasive species is introduced.

• If they both need the same resources they work together to obtain them and live in harmony. This is called commensalism.

• If they both require the same resources but the new species likely has no natural predators they can have an advantage that allows them to thrive while the native species population drops.

• There won't be any competition. They will each find their own niche and the habitat usually stays in balance. This is called equilibrium.

• They will compete for resources and the native species population will remain steady because they are on their home soil and have the advantage.

What compounds are needed for plants to perform photosynthesis? (Select all that apply)

• Glucose

• Oxygen

• Hydrogen

• Water

• Carbon Dioxide

What compounds are produced though photosynthesis?

• Glucose

• Oxygen

• Hydrogen

• Water

• Carbon Dioxide

What gas is given off as a byproduct of photosynthesis?

• Glucose

• Oxygen

• Hydrogen

• Water

• Carbon Dioxide

How are organisms classified as autotrophs/producers?

• How they reproduce

• How they move

• How many cells they are made of

• How they obtain energy

Why do we use the shape of a pyramid to show the trophic energy levels?

• Because it shows that predators always end up on top as the "winners" of the food chain.

• Because it fits well with our other understanding of the food pyramid

• Because it provides a neat and organized way to see them all

• Because it shows the size difference in available energy at each level

Which organisms in the food web are RELATED TO EACH OTHER as Primary Consumer and Secondary Consumer? (Select all that apply)

• Grasses and Caribou

• Reindeer and Dwarf Willows

• Reindeer and Wolf

• Arctic White Fox and Lemmings

• Snowy Owl and Lemmings

Which organism in the food web above would be the producer and how do you know?

• Snowy Owls because there are no arrows pointing away from them

• Sedges because there are no arrows pointing to them

• Man because they produce carbon dioxide gas as waste

• Dwarf Willows because they are small

• Grasses because they consume the sun