In the North Pacific, sea otter populations collapsed in the 1990s. Scientists observed that killer whales (orcas), which rarely preyed on otters historically, began targeting them as populations of their traditional prey (seals and sea lions) declined. A researcher states:”Otter numbers don’t dictate orca abundance; rather, orcas switch to otters when their primary prey is scarce. Without the seal decline, orcas wouldn’t impact otters.” Ignoring human influences, the orca population is most likely regulated in a:

A community with many different species but only a few individuals per species exhibits:

What software must be installed on your computer in order to take a proctored quiz or exam within this class?

This instructor is tough on plagiarism and cheating.

I must retake this quiz if I don’t get all of the questions correct.

The infant seeks closeness to the parent and resists exploring the environment and usually displays angry behavior. This is known as

Part 2 Find the area to 2 decimal places (e.g. 45.23) Use 3.14 for pi.

What is a characteristic of diaphragmatic breathing?

What are open ended materials? Give four examples of open ended materials in an infant/toddler classroom.

Problem 4 (1 Part)