Backyard Ecology

Name our biome here in western Pennsylvania.

(a)  

Check all of the following that are ecosystems in our biome.

• Fresh water stream

• Forest

• Spring puddle

• Volcanic vent

Which is a likely community of a spring puddle ecosystem?

• tadpoles of American toads, mosquito larva, algae

• tadpoles of American toads, water

• rocks, mud, water

Which term best describes the picture?

• Population

• Community

• Ecosystem

• Biome

Which term best describes the picture?

• Population

• Community

• Ecosystem

• Biome

Producers interact with populations in their ecosystems. One interaction we studied is competition (chipmunks competing for acorns). According to the image on this question, what are the garden cover crop plants competing with weeds for?

(a)  

How are the cover crops most likely to impact weed populations in the garden?

• Increase them

• Decrease them

• Decrease weeds by out competing them for sunlight.

I want to attract monarch butterflies to my backyard. How can I do that?

• I put up a sign welcoming butterflies.

• I create a habitat in my backyard meeting their requirements.

• I plant as many flowers as I can.

Identify all of the sources of carbon for producers from this image.

What is the carrying capacity of zebra mussels according to the graph?

• 500

• 1000

• 2000

• 3000