Phylum Study guides, Class notes & Summaries

Porifera - correct answer -the phylum of sponges asymmetrical ectothermic sessile Cnidaria - correct answer -Phylum of Jelly fish and coral exothermic radial symmetry Platyhelminthes - correct answer -Phylum of flatworms Bilateral parasitic hermaphroditic Nematoda - correct answer -Phylum of roundworms Annelida - correct answer -phylum of segmented worms: sand worms, earthworms, leeches bilateral symmetry hermaphrodites Mollusca - correct answer -(snails, clams, squids...

The length of a bacterium such as Escherichia coli is approximately a. 1 µm = 0.001 mm b. 10 µm = 0.01 mm c. 100 µm = 0.1 mm CORRECT ANSWER a. 1 µm = 0.001 mm Lactobacillus spp. are classified in phylum a. Actinobacteria b. Firmicutes c. Proteobacteria CORRECT ANSWER b. Firmicutes According to the endosymbiotic theory a. chloroplasts evolved from members of phylum Cyanobacteria b. mitochondria evolved from members of phylum Euryarchaeota c. endoplasmic reticulum evolved ...

BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+) When was earth formed? - correct answer 4.55 billion years ago When did life on earth first appear? - correct answer 3.5 billion years ago What are the evolutionary mechanisms? - correct answer *Nonrandom mating *Migration *Genetic drift *Natural selection When does allopatric speciation occur? - correct answer when members of the same species become geographically separated When does sympatric speciation oc...

phylum chordata 2 major groups correct answers invertebrates vertebrates phylum choradata correct answers dorsal hollow nerve chord notochord pharyngeal slits post anal tail hollow dorsal nerve cord correct answers major nerve found on backside of chordates Notochord correct answers A rod of tough, flexible material that runs the length of a creature's body, providing the majority of its support pharyngeal slits correct answers A gill structure in the pharynx, found in chordate ...

Phylum Platyhelminthes - Correct Answer-Flatworms. Parasitic. Acoelomates. Tripoblastic. Dorsoventrally flattened- greater S.A to respire by diffusion. Tegument- surficial covering of multicellular organism Parenchyma- loosely arranged mass of fibers and cells Phylum Platyhelminthes- Classes - Correct Answer-Turbellaria. Trematoda. Monogenea. Cestoidea. Digenea - Correct Answer-Subclass to class Trematoda. Parasitize all classes of vertebrates. Develops in at least two hosts. F...

Seed Evolution Steps - ANSWER Homospory Heterospory Megasporangium Surrounded by Sterile Telomes Free Tips Phylum Cycadophyta - ANSWER Earliest Gymnosperms Mesozoic Era (65-230 MYA) 11-12 Genera Mostly tropical and subtropical Resemble palms - unlike palms they have a vascular cambium (stem can increase in width) Often highly toxic to dogs, cats, and livestock Reproductive structures associated with modified leaves - microsporophylls and megasporophylls Loosely or tightly clustered ...

Test Bank for an Introduction to Brain and Behavior 6th Edition Bryan Kolb Chapter 1 – What are the origins of Brain and Behaviour? 1. Brain abnormalities can be related to: A) 500 disorders. B) 1000 disorders. C) 1500 disorders. D) more than 2,000 disorders. 2. All the nerve processes radiating out beyond the brain and spinal cord as well as all the neurons outside the brain and spinal cord constitute the: A) nervous system. B) central nervous system. C) peripheral nervous system...

What are 3 defining characteristics of Hexapoda? - 3 pairs of uniramous legs, 1 antennae pair, 3 tagmata (head, thorax, abdomen) What are 2 adaptations Hexapoda have developed for terrestrial existence? - A hard waxy cuticle to reduce water loss, and excretory and respiratory systems to preserve moisture. Write out the following statement about the excretory system of Hexapoda and fill in the missing terms: The Hexapoda excretory system contains ___ ___ attached to the ___ system. These tub...

Irene Gold Microbiology Board Exam Review With 100% Correct Answers 2024 Eukaryotes - Correct Answer ________________ = true nucleus, organelles. E.g human cells, Protozoa like Giardia and amoeba Prokaryotes - Correct Answer ______________ = no true nucleus, no organelles (e.g. No mitochondria) E.g. Bacteria Family and genus - Correct Answer How are organisms classified/organized? genus and species - Correct Answer How are oraganisms named? Kingdom Phylum Class Order Family Genus S...

BIO 202 Arizona State University -BIO 202 Exam 3 questions with correct answersWhich of the following is NOT a mechanical defense of plants? secondary metabolites What phylum does the organism in the image below belong to? [Earthworm] Annelida What phylum does the organisms in the image below belong to? [Flatworm] Platyhelminthes Which of the following is an advantage for a plant to undergo asexual reproduction? reach maturity faster What kind of leaf is in the image be...