Why might a flower lack petals?

What is the most interesting organism we talked about in class?  Describe what it did that was intresting.  Also, include what animal phylum or plant group to which it belongs.  (No more than two sentences is needed. 6 points) 

In the history of our species (humans) what is the most likely outcome of extreme competition between two tribes or countries?

Exam 4 (the final) questions will cover content from the the powerpoints linked on blackboard.  The best way to prepare will be to will be to review these powerpoints.  All questions in the exam will be pulled from content in the powerpoints.  During the exams, do not use any outside sources of information (notes, powerpoints, websites, etc.) Honorlock will prohibit you from opening other websites, it will also record your screen to ensure powerpoints aren’t being viewed. You will also need a functional webcam and your student ID.  Honorlock will take a picture at the beginning of the exam of you and your Student ID. Please read the questions carefully and choose the best answer.  You have 50 minutes to complete once you begin.

______________ is a sensitive species used by biologists to demonstrate the relative health of an ecosystem (used to monitor pollution, competition, or climate change).

_______________ is a community of biological organisms plus the non-living components with which the organisms interact

Increased absorption of solar energy by concrete and building materials causing higher temperatures is called _________________.

_____________ includes the vital statistics of a species such as longevity, age of reproduction, litter size, and litter frequency.

What form of pollination do all gymnosperm use?

The dorsal nerve cord in all chordates develops into what structure in humans?