Cambrian Study guides, Class notes & Summaries

Zoology CORRECT ANSWER The branch of biology that deals with animals and animal life. Includes structure, behavior, physiology, development and classification of animals Hemichordates CORRECT ANSWER Acorn worms and pterobranchs. Have gill pores, dorsal hollow nerve cord, notochord, buccal diverticulum, open circulatory system and unique glomerulus. Classes enteropreusta and pterobranchia Chordates CORRECT ANSWER Have a notochord, a dorsal hollow nerve cord, post-anal tail and pharynx with ...

Animal Diversity, 8e (Hickman) Chapter 3 Animal Architecture 1) Which statement most closely represents the diversity of animal patterns resulting from the Cambrian time period? A) The Cambrian saw the first animal ancestor; all animal architecture dates back to these fossils. B) About 34 phyla evolved by the end of the Cambrian and there are now perhaps 100 phyla that have radiated from them. C) About 100 phyla evolved by the end of the Cambrian and there are now about 34 surviving animal p...

According to the geologic time scale the Phanerozoic eon began? - ANS - 540 million years ago The supercontinent whose break up approx 210 mil years ago initiated the formation of the present day Atlantic Ocean is known as? - ANS - Pangaea The lightest weight hydrocarbon molecule found in the paraffin series is? - ANS - methane Currently living in what Epoch? - ANS - Holocene Protons carry what type of charge? - ANS - positive One important distinguishing characteristic of the paraffin ser...

Arthropods CORRECT ANSWER Phyla with greatest amount of diversity with 85% of animal spp 700 million years ago CORRECT ANSWER When the first animals originated Porifera (sponges) CORRECT ANSWER Phyla with no tissues, muscles, nerves, or specialized organs Choanocytes CORRECT ANSWER Flow of water and food acquisition in sponges Amoebocytes CORRECT ANSWER Found in sponges, these cells are mobile and perform numerous functions, including reproduction, transport of food particles to nonf...

BIO112 Spring 2024 Exam 1 Terms radiometric dating general approach used to determine the age of specimens using the rate of decay of radioactive isotopes radiocarbon dating a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14 potassium-40 dating radiometric dating method often used in the assessment of volcanic intrusions in sedimentary layers. It is based on measurement of the product of the radioactive decay of an isot...

Biology 1108 final exam Questions and Answers 100% Pass Monophyletic Group - Correct Answer ️️ -includes all the descendants of a common ancestor, and its considered a natural grouping of organisms based on a shared ancestry. Paraphyletic Group - Correct Answer ️️ -some (not all) of descendants of a common ancestor Polyphyletic Group - Correct Answer ️️ -organisms from distinct lineages based on shared characters, but no common ancestor Homologies - Correct Answer ️️ -si...

ABEKA BIOLOGY: GOD'S LIVING CREATION TEST 9 (NINE WEEKS EXAM) 100%Accurate large geographic region identified by its climax vegetation and distinctive animal life - ANSWER biome sudden outburst of living things of great variety in the fossil record, showing no evidence of evolution - ANSWER Cambrian explosion what is NOT one of the three main groups into which mammals are divided based on how they reproduce - ANSWER pholidotans the principle that animals or plants well suited to their...

NATURAL SCIENCES CLEP EXAM REVIEW QUESTIONS AND ANSWERS, RATED A+ A theory fails to meet the criteria of scientific methodology if - -no experiments can be designed to test it All of the following geologic time intervals are characterized correctly EXCEPT (A) Cambrian period...age of birds (B) Carboniferous period...age of amphibians (C) Devonian period...age of fishes incorrect (D) Cenozoic era...age of mammals (E) Mesozoic era...age of dinosaurs - -(A) Cambrian period...age of bird...

ZOOL 403 MIDTERM REVIEW latest written exam update 2022 for University of Calgary Learning Objectives: • Be able to draw a diagram of basic vertebrae body plan • Distinguish vertebrae tissues, and skeletal tissues based on composition and embryonic origin • Explain how vertebrates have a skeleton composed of both endoskeleton and exoskeleton All vertebrates have a full developed head • Within vertebra we have Agnatha (no jaws/round mouth) and Gnathostomata (Natho = Jaw) o Hard par...

WSU Biology 106 Exam 3 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES |ALREADY GRADED A+ Arthropods - ANSWER- Phyla with greatest amount of diversity with 85% of animal spp 700 million years ago - ANSWER- When the first animals originated Porifera (sponges) - ANSWER- Phyla with no tissues, muscles, nerves, or specialized organs Choanocytes - ANSWER- Flow of water and food acquisition in sponges Amoebocytes - ANSWER- Found in sponges, these cells are mobile and perform numer...