Paleozoic era - Study guides, Class notes & Summaries

Haldane-Oparin hypothesis - ANSWER-Life arose spontaneously from methane, ammonia, water, and energy sources. Miller-Urey experiment - ANSWER-Created a chemical experiment that simulated the conditions thought at the time to be present on the early Earth, and tested the chemical origin of life under those conditions. Tested Haldane-Oparin hypothesis, thinking that methane and ammonia were likely absent in early atmosphere- more likely CO,CO2,N2, and H2O. Results yielded in organic molecules. ...

Hox genes - control the expression of genes that influence animal morphology (sponges are simple animals that do not have Hox genes) acoelmates - triploblastic animals without a coelom, their bodies are solid and have no cavity. Ancestors of animals... - diverged from ancient fungi, between 675 million and 800 million years ago, believed to be a suspension feeder similar to Choanoflagellates Animals are.. - -multicellular (without cell walls) -heterotropic -develop from embryonic layers ...

WIS2552 Topics 1-8, WIS2552 EXAM 1 Questions With Verified Answers Multicellularity might have evolved from coloniality. - answertrue Some of Pasteur's sterile water flasks are still on display today. - answerTrue Both mitochondria and chloroplasts have two membranes. - answertrue Protenoid spheres could have evolved via - answerself assembly Conifers evolved in the - answerPermian The ___ is the period of the first vascular plants. - answersilurian Most scientists think the earth is __...

WIS2552 Exam 1 (Topics 1-8, Global Patterns in Biodiversity) Questions With Verified Answers The endosymbiosis theory argues that a ____ relationship was established between two cells. - answermutualistic The endosymbiosis theory argues that small prokaryotic cells were engulfed by ____. - answerlarger prokaryotic cells The first hominids appeared at the end of the ____. - answerTertiary The first fungi evolved in the ____. - answerOrdovician Francisco Redi did an experiment to show tha...

APSC 151 Midterm Exam Study Guide | 100% Correct | Verified | 2024 Version Compared to the age of the Universe of about 14 billion years, the currently accepted age of Earth is about ________ years as determined by using radioactivity for dating rocks and minerals. A) 4.6 thousand B) 4.6 billion C) 5.4 million D) 13.7 billion - B The ________ division of the geologic time scale is an era of the Phanerozoic Eon. A) Paleocene B) Paleozoic C) Permian D) Proterozoic - B The Eart...

Middle School Scholastic Bowl Questions with Verified Answers In computer language, what is the meaning of the acronym ROM? Read Only Memory Name the 16th century Spanish artist trained by Greek monks who created the View of Toledo landscape. El Greco Spell the scientific name for the windpipe. T-R-A-C-H-E-A The sum of two consecutive odd integers is -32. What are the integers? -15 and -17 What name is given to a word or phrase that is spelled the same forward and backward, such...

Law of Superposition - Answer-Younger layers of rock sit atop older layers Law of Initial Horizontality - Answer-Layers of sedimentary rock are initially deposited flat in layers. relative age dating - Answer-the fossil assemblage existing within a rock specimen can be used to determine upper and lower possible age. Gives age range. Example: 100 to 200 mya. radiometric dating - Answer-the process of measuring the absolute age of geologic material by measuring the concentrations of radio...

ANTH 101 Practice Test Questions with Correct Answers Explain how fossils are formed and why they are not equally prevalent in all areas. - Answer-fossils are the remains of past life forms that have been partially or wholly transformed into rock and displaced through a long process of chemical replacement. minerals in bones and teeth are replaced with rock forming minerals like iron and silica. can be from any body part however 99% are made up of teeth and and bones. taphonomy (how fossils a...

Biology 1407 Exam 4-Delgado Study Guide with Complete Solutions Animals are.. - Answer️️ --multicellular (without cell walls) -heterotropic -develop from embryonic layers -ingestive Only Animals have.. - Answer️️ --nerve cells -muscle cells Gastrulation - Answer️️ -formation of distinct layers of embryonic tissue that eventually develop into distinct body parts metamorphosis - Answer️️ -transforming of sexually immature larva into an adult homeobox - Answer️️ -is ...

WIS2552 Topics 1-8 Graded A+ Multicellularity might have evolved from coloniality. ️true Some of Pasteur's sterile water flasks are still on display today. ️True Both mitochondria and chloroplasts have two membranes. ️true Protenoid spheres could have evolved via ️self assembly Conifers evolved in the ️Permian The ___ is the period of the first vascular plants. ️silurian Most scientists think the earth is ___ years old. ️4.5 billion. multicellularity might have evo...