Living with dinosaurs Study guides, Class notes & Summaries

BIO 202 Arizona State University -BIO 202 Exam 1 with 100% correct answersHow long have humans been around? - correct answer 2 million years How long ago were dinosaurs wiped out? - correct answer 65 million years ago When did Charnia live? - correct answer 560 million years ago When did single-celled life first appear on Earth? - correct answer 3.5 billion years ago For how long were simple-celled organisms the most advanced form of life on Earth? - correct answer About 3 billion ye...

What are some organisms that live in estuaries? - Crabs, Shrimp, Dolphins, Manatees, Flounder Cordgrass (Spartina) - The grass that grows around estuaries Plankton - An unattached organism without self propulsion- wanderer How many bacteria are in one tablespoon of ocean water? - 5million How many viruses are in one drop of sea water? - 10 million Phytoplankton - Produce 50% of the oxygen on Earth What lives in kelp forests? - Otters, seals, sea lions, sharks, kelp! The net production of ...

Test Bank, Chapter 3 1. Lord Kelvin argued that based on the temperature of rocks, the earth could not be as old some geologists thought. What turned out to be wrong with his reasoning? (a) he claimed that the temperature of surface rocks should be used in calcuations, but these calculations were shown to be unreliable (b) he did not realize that the planet’s interior was constantly changing (c) the upper layers of the earth are cooler than Kelvin realized (d) all of the above 2....

Approximately when did the ancestor of all life on earth live?3.5 BYA True or False: Humans share ancestor with all currently existing bacterial (type of prokaryote) cells?True Before 65 MYA why weren't there many different types of mammals?Dinosaurs filled all of the ecological niches that mammals would eventually take over, until around this time What distinguishes all mammals from all reptiles?Mammals feed their infants with milk from mammary glands while reptiles do not Why are th...

OSMT Exam Questions with verified Solutions 100% Solved 2024 Why doesn't phylogenetic systematics have a fixed number of hierarchical categories like Linnaean systematics? - answerEach branching point is a hierarchical level in the nested structure of phylogenetic systematics. The number of branching points—and therefore the number of possible hierarchical levels—varies substantially from one lineage to another. What aspect of evolution does phylogenetic systematics represent more cle...

The Cosmic Perspective, 7th Edition, Testbank | 2022 latest update 1 Copyright © 2014 Pearson Education, Inc. The Cosmic Perspective, 7e (Bennett et al.) Chapter 1 A Modern View of the Universe 1.1 Multiple-Choice Questions 1) What is the meaning of the word cosmos? A) the origin of Earth and life upon it B) the light from a distant astronomical object C) the Milky Way D) the sum total of all matter and energy, that is, everything within and between all galaxies E) the dark sky Ans...

abandon (v.) - CORRECT ANSWER-to leave; to give up Ex: To save their lives, the sailors had to ~ the sinking ship. adversely (adj.) - CORRECT ANSWER-in a harmful way; negatively Ex: Excessive rainfall early in the spring can ~ affect the planting of crops. Usage Tips: ~ is often followed by affect. aggregate (adj.) - CORRECT ANSWER-gathered into or amounting to a whole Ex: It is impossible to judge last year's performance without knowing the ~ sales numbers. Usage Tips: ~ is often fo...

1 BROOKS BIODIVERSITY UNIT 2 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ The Primary role of Fungi Correct Answer: Decomposers- they break things down Modes of Nutrition in Fungi Correct Answer: Heterotrophs with extracellular digestion Exoenzymes Correct Answer: Fungi Release these enzymes outside of the cell wall. Break down complex molecules into smaller organic molecules which can be absorbed. Extracellular Digestion Correct Answer: The release of exoenz...

Chapter 01 Introducing Geology, the Essentials of Plate Tectonics, and Other Important Concepts   
True / False Questions
  1.  We depend on geologists for the raw materials we need for survival.  
TRUE   
Bloom's Level: 1. Remember
  2.  Most deaths associated with volcanic eruptions are due to burns of lava flows.  
FALSE   
Bloom's Level: 1. Remember
  3.  A tsunami has a small wave height, travels rapidly, and is not noticed by people in boats.  
TR...

Evolution Latest Update with Certified Solutions Evolution 1. All species share a common ancestor 2. Species have changed through time. Ex. new and different environments have caused them to have change Theory A well supported testable explanation of observations that have happened in the natural world Fossil The preserved remains of ancient organisms Artificial selection Selection by humans for breeding of useful traits from the natural variation among organisms Also known as Selective Breed...