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Scientists are monitoring populations of amphibians and looking for evidence to help them understand why some species’ populations are decreasing. What do you think might be contributing to the decrease in populations of certain frog and salamander species?

What was the difference between slavery in the south and slavery in the north?

Mr. Moss added: This same question came up last year. Read through the blog archives from March 2007 to see how students responded previously.

What hardships were enslaved Africans on Southern plantations forced to endure?

Why do you think southern slavery grew more rapidly than in the North?

What foods would you have liked back in colonial times? Which one’s would you have disliked? Why?

How do you think Benjamin Franklin felt when he first came into Philadelphia? Why?

What can you infer about the needs of pioneer plants, such as lichens, by observing them grow on top of  ROCKS ?

Why do you think that some animal and plant species become extinct? Can you give an example of how an organism became extinct in the past or how one might become extinct in the future?

How do people interfere with natural succession?

If you have a mutual relationship, can that turn into a parasitic relationship? Explain.

Mr. Moss added: Hmm, interesting concept. I’m curious to see how students respond to this one!

What are the three kinds of symbiosis? Can you give examples of each?

Why do animals compete? What do animals compete for?