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BIO 182 Exam 4
review(updated)questions with correct
answers
What are some common characteristics of animals? - correct answer ✔✔multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? - correct answer ✔✔gametic What are the likely ancestors of animals? - correct answer ✔✔choanoflagellates protists What are 3 major features to classify animals? - correct answer ✔✔1. presence or absence of different tissue types
- type of body symmetry
- specific features of embryonic development What are the 3 different type of tissues (ends in zoas)? - correct answer ✔✔metazoa parazoa eumetazoa Where are metazoa seen? - correct answer ✔✔in all animals What are parazoa? - correct answer ✔✔without specialized tissues/organs What are eumetazoa? - correct answer ✔✔more than 1 type of tissue/organs
What are the two types of body symmetry? - correct answer ✔✔radial bilateral What are the two types of embryonic development? - correct answer ✔✔protostoma deuterstoma What does the blastopore develop into in protostoma? - correct answer ✔✔mouth What does the blastopore develop into in deuterstoma - correct answer ✔✔anus What is the focused gene for molecular analysis? - correct answer ✔✔small subunit ribosomal RNA What are the two new invertebrate clades? - correct answer ✔✔Ecdysozoa Lophotrochozoa What are some animals that are in Ecdysozoa and what does this clade mean? - correct answer ✔✔nematodes and arthropods molting What are some animals and features in Lophotrochozoa? - correct answer ✔✔mollusks and annelids feeding tentacles trochophore larva What are characteristics in Ponifera? - correct answer ✔✔lack of true tissues filter feed What are characteristics in Cnidaria? - correct answer ✔✔radial, nemocysts, polyp vs medusa, 1 opening
dorsal hollow nerve cord gill slits post anal tail What types of cells are in sponges? - correct answer ✔✔amoebocytes choanocytes spicules/spongin What is the gastrovascular cavity? - correct answer ✔✔extracellular digestion ingest for larger food particles What are the two body forms of Cnidaria? - correct answer ✔✔polyp and medusa What are the major evolution advancements in flatworm? - correct answer ✔✔germ layers eyespots development of brain What is pathenogenesis? - correct answer ✔✔in Rotifera
- unfertilized diploid eggs develop into females
- unfertilized haploid eggs become degenerate males enough to produce sperm What are the main parts of Mollusks? - correct answer ✔✔foot mantle visceral mass What is the tongue-like organ in Mollusks? - correct answer ✔✔radula What types of animals are found in mollusks? - correct answer ✔✔snails slugs
clams squids What are some distinctive features of Annelids? - correct answer ✔✔complete digestive tract double transport system Why are nematodes ecologically important? - correct answer ✔✔they are found everywhere What are the exoskeleton in Arthropoda made of? - correct answer ✔✔chitin What are the 4 subphylum in arthropoda? - correct answer ✔✔chelicerata myriapoda hexapoda crustacea What are some features of chelicerata? (spiders, ticks) - correct answer ✔✔4 pairs of walking legs with pedipalps and chelicerae 2 tagmata What are some features of myriapoda? (millipedes, centipedes) - correct answer ✔✔1 or 2 pairs of legs per segment What are some features of hexapoda? (insects) - correct answer ✔✔wings mouthparts What are some features of crustacea? (crabs, lobsters, shrimp) - correct answer ✔✔gills attached to legs swimmerets 2 pairs of antennae
What are some features of mammals? - correct answer ✔✔milk parental care specialized teeth fur/hair Why are scientists confused where to put hagfish on a phylogeny tree? - correct answer ✔✔no real vertebrae but has a cranium Where did the hinged jaw develop from? - correct answer ✔✔the first 3 gill slits What are 3 features the bony fish have but not the sharks? - correct answer ✔✔bony skeleton operculum swim bladder Why are lob/lungfish important? - correct answer ✔✔transition between water and land What are 3 major orders of amphibians? - correct answer ✔✔anura - frogs and toads caudata - salamanders gymnophiona - caecilians What is the critical innovation that is seen in reptiles and mammals to all vertebrae to break from water?
- correct answer ✔✔shelled egg What are the 4 major living classes of reptiles? - correct answer ✔✔testudines lepidosauria crocodilia aves
What are some features of testudines? - correct answer ✔✔turtles hard protective shell What are some features of lepidosauria? - correct answer ✔✔lizards and snakes movable eyelids external ears What are some features of crocodilia? - correct answer ✔✔crocodiles and alligators teeth in sockets parental care What are some features of aves? - correct answer ✔✔birds feathers lightweight skeletons What are 4 features for why birds can fly? - correct answer ✔✔feathers air sacs reduction of organs lightweight skeleton Two features that make mammals unique from other animals? - correct answer ✔✔milk and hair/fur What are the 3 major groups of mammals? - correct answer ✔✔monotremes marsupials eutherians What is monotremes - correct answer ✔✔egg-laying What are marsupials? - correct answer ✔✔pouched mammals with placenta
for movement with stripes What are the 6 types of connective tissue? - correct answer ✔✔loose connective adipose blood fibrous connective cartilage bone Loose Connective Tissue - correct answer ✔✔binds skin to underlying tissue holds organs in place Adipose tissue - correct answer ✔✔stores fat, energy and insulation Blood - correct answer ✔✔red and white blood cells Fibrous Connective Tissue - correct answer ✔✔forms tendons and ligaments Cartilage tissue - correct answer ✔✔flexible boneless skeleton Bone - correct answer ✔✔collagen fibers with calcium salts What is an organ? - correct answer ✔✔two or more tissues combined together What are the 10 main organ systems - correct answer ✔✔circulatory digestive endocrine
excretory lymphatic integumentary muscular-skeleton nervous reproductive respiratory Function of the circulatory system - correct answer ✔✔transport substances Function of the digestive system - correct answer ✔✔getting nutrients Function of the endocrine system - correct answer ✔✔hormones Function of the excretory system - correct answer ✔✔waste Function of the lymphatic system - correct answer ✔✔fighting infection Function of the integumentary system - correct answer ✔✔protection Function of the muscular-skeleton system - correct answer ✔✔form and movement Function of the nervous system - correct answer ✔✔sending signals Function of the reproductive system - correct answer ✔✔producing gametes and offspring Function of the respiratory system - correct answer ✔✔breathing What is the idea of form and function - correct answer ✔✔similar structure suggest similar function
