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The phylogenetic tree for the eukaryotic supergroups Excavata, SAR, Archaeplastida, and Unikonta shows them diverging from a common ancestor. However, scientists note that the root of this tree is unknown. What does this uncertainty reveal about our understanding of eukaryotic evolution?

A biology team studying coastal kelp forests notices that kelp blades are held near the surface by gas-filled floats, allowing them to access sunlight efficiently. They compare this to the rigid stems of terrestrial plants that keep leaves elevated above the ground. What does this similarity between kelp and land plants demonstrate?

An atom has 10 protons and 12 neutrons. Identify the element and then write in correct hyphen notation. ( Do not leave any spaces in the answer.) [BLANK-1]

 This exam covers scientific method, matter and change, measurements and calculations, and atomic structure.  You are allowed to have a regular calculator and a scratch sheet of paper. Be sure to show the front and back of the scratch paper to the camera at the beginning and end of the exam. Please make sure that your working area are in view during the exam. The best way to accomplish this is to have the computer at arms length and the screen tilted slightly down to capture both your face and the area you will be using to work on the scratch paper. Read each question and mark the best answer. GOOD LUCK! New PT with Names.pngformula_sheet Chem 1_Page_2.jpgformula_sheet Chem 1_Page_1.jpg 

Which approach is most associated with work done by Sigmund Freud?

Which of the following would be endorsed by Albert Bandura?

According to Erikson, at what age would someone be considered to be dealing with the crisis of generativity vs. stagnation?

Which of the following statements accurately describes the difference between genotype and phenotype?

What is the term used to describe the cognitive process where an infant alters existing schema to incorporate new information?

Which reflex allows infants to grasp objects placed in their hands?