An introduction to animal diversity
... Radial Symmetry: one main axis and any plane cutting through that axis divides the animal into similar parts. Cnidarians and Ctenophores, adult Echinoderms Bilateral Symmetry: Animal can be divided into a mirror “right” and “left” halves. Animals that move in one direction; Associated with cephalizt ...
... Radial Symmetry: one main axis and any plane cutting through that axis divides the animal into similar parts. Cnidarians and Ctenophores, adult Echinoderms Bilateral Symmetry: Animal can be divided into a mirror “right” and “left” halves. Animals that move in one direction; Associated with cephalizt ...
INTRODUCTION TO ANIMAL EVOLUTION
... • Animals 1st appeared in Precambrian in waters, spread to land. • 5 criteria that define animal: • 1Animals multicellular, must get food through ingesting other organisms or organic material. ...
... • Animals 1st appeared in Precambrian in waters, spread to land. • 5 criteria that define animal: • 1Animals multicellular, must get food through ingesting other organisms or organic material. ...
introduction to animal evolution
... • Animals 1st appeared in Precambrian in waters, spread to land. • 5 criteria that define animal: • 1Animals multicellular, must get food through ingesting other organisms or organic material. ...
... • Animals 1st appeared in Precambrian in waters, spread to land. • 5 criteria that define animal: • 1Animals multicellular, must get food through ingesting other organisms or organic material. ...
SCALE, MEALEY BUGS
... Several species of scale are common in Texas and they take many forms, from white fluffy ones that look like mealy bugs to tiny shells resembling limpets. They may be raised, brown and smooth, gray and curved, flat, off-white and pear shaped and many in between. Most scale insects are easy to overlo ...
... Several species of scale are common in Texas and they take many forms, from white fluffy ones that look like mealy bugs to tiny shells resembling limpets. They may be raised, brown and smooth, gray and curved, flat, off-white and pear shaped and many in between. Most scale insects are easy to overlo ...
Sponges and Cnidarians
... stinging cells to catch animals they eat (prey) Contains threadlike structure with spines Uses tentacles to pull prey to mouth Takes food into central body cavity Expels undigested food through mouth ...
... stinging cells to catch animals they eat (prey) Contains threadlike structure with spines Uses tentacles to pull prey to mouth Takes food into central body cavity Expels undigested food through mouth ...
Human Anatomy & Physiology
... Most prominent type of muscle in the body May account for up to 60% body mass It is attached to bones at both ends by tendons ...
... Most prominent type of muscle in the body May account for up to 60% body mass It is attached to bones at both ends by tendons ...
Sponges to Ecdysozoans Practice Exam
... 9. Which phylum does not have at least some members with a closed circulatory system? a. Lophophorata b. Arthopoda c. Annelida d. Mollusca e. All of the above phyla have some members with a closed circulatory system. 10. In arthropods, the tracheal system is a. a unique set of structures that functi ...
... 9. Which phylum does not have at least some members with a closed circulatory system? a. Lophophorata b. Arthopoda c. Annelida d. Mollusca e. All of the above phyla have some members with a closed circulatory system. 10. In arthropods, the tracheal system is a. a unique set of structures that functi ...
Bell Pettigrew Museum of Natural History - synergy
... This group can claim to be the closest to the ancestral body form, that is they are the Bilateria that lack a body cavity, lack a blood system, lack a through gut and lack any distinguishing features. The lack of a circulatory system to distribute respiratory gases has required the flatworms to adop ...
... This group can claim to be the closest to the ancestral body form, that is they are the Bilateria that lack a body cavity, lack a blood system, lack a through gut and lack any distinguishing features. The lack of a circulatory system to distribute respiratory gases has required the flatworms to adop ...
arthropod
... _________________________________________ in larval stage ________________________________________ APPENDAGE-structure that extends form arthropod’s body wall ARTHROPOD=“_______________________________” __________________________-made of carbohydrate CHITIN-thin/flexible ________________ ...
... _________________________________________ in larval stage ________________________________________ APPENDAGE-structure that extends form arthropod’s body wall ARTHROPOD=“_______________________________” __________________________-made of carbohydrate CHITIN-thin/flexible ________________ ...
Invertebrates and Chordates
... a. Major characteristic: segmentation body wall, coelom and many internal organs are divided into segments/ digestive tract not segmented b. Marine, freshwater, damp soil D. Ecdysozoans: covered by tough coat called a cuticle, ecdysis is when cuticle is shed or molted a. Phylum Nematoda i. Roundwo ...
... a. Major characteristic: segmentation body wall, coelom and many internal organs are divided into segments/ digestive tract not segmented b. Marine, freshwater, damp soil D. Ecdysozoans: covered by tough coat called a cuticle, ecdysis is when cuticle is shed or molted a. Phylum Nematoda i. Roundwo ...
CH 29 Review Answer Key
... 1. Radially symmetrical animals, that aren’t sessile, generally float about and/or pulse their bodies to move or drift in the water. Bilaterally symmetrical animals, that are not parasites, free swim in the direction of their heads. The notable exception to this is the hydra which somersaults along ...
... 1. Radially symmetrical animals, that aren’t sessile, generally float about and/or pulse their bodies to move or drift in the water. Bilaterally symmetrical animals, that are not parasites, free swim in the direction of their heads. The notable exception to this is the hydra which somersaults along ...
WORMS - holyoke
... Have a “blind” digestive system: mouth is the only entrance or exit. Have a nervous system Has two light-sensitive spots that resemble eyes on it’s head (they sense light and dark) Take in excess water by osmosis; and remove excess water by ciliated flame cells Hermaphrodites – each indivi ...
... Have a “blind” digestive system: mouth is the only entrance or exit. Have a nervous system Has two light-sensitive spots that resemble eyes on it’s head (they sense light and dark) Take in excess water by osmosis; and remove excess water by ciliated flame cells Hermaphrodites – each indivi ...
Chapter 19: The Animal Body and How It Moves
... –Isometric •Muscle does not shorten, but it exerts a force Muscle Contraction •Myofilaments are made up of actin and myosin –Actin filaments consist of two chains of actin molecules wrapped around one another –Mysosin filaments also consist of two chains wound around each other •One end consists of ...
... –Isometric •Muscle does not shorten, but it exerts a force Muscle Contraction •Myofilaments are made up of actin and myosin –Actin filaments consist of two chains of actin molecules wrapped around one another –Mysosin filaments also consist of two chains wound around each other •One end consists of ...
phylum platyhelminthes
... Reproductive System: - Hermaphrodite (carry both male and female reproductive organs) ...
... Reproductive System: - Hermaphrodite (carry both male and female reproductive organs) ...
Porifera, Cnidaria, Worms
... Phylum Platyhelminthes (Flatworms) -Carnivores that feed on tiny aquatic animals, scavengers feeding on recently deceased animals, or parasites feeding on blood or tissue fluids inside their hosts body -Use a pharynx to suck food into a gastrovascular cavity -Undigested food is expelled through the ...
... Phylum Platyhelminthes (Flatworms) -Carnivores that feed on tiny aquatic animals, scavengers feeding on recently deceased animals, or parasites feeding on blood or tissue fluids inside their hosts body -Use a pharynx to suck food into a gastrovascular cavity -Undigested food is expelled through the ...
Evolutionary Trends and Some Animal Phyla
... • Biologist A.M.Cobb once said that if all our planet’s land and seas were swept away, but with the nematodes somehow stayed in place, a clear outline of the earth and its geological features would remain. ...
... • Biologist A.M.Cobb once said that if all our planet’s land and seas were swept away, but with the nematodes somehow stayed in place, a clear outline of the earth and its geological features would remain. ...
Vertebrates - Madison County Schools
... • Scientist think there are more than a million arthropod species! • Characteristics: Arthropods have…. – Jointed legs – Body parts divided into sections – Breath with gills or an open-tube breathing system. – hard exoskeleton for protection ...
... • Scientist think there are more than a million arthropod species! • Characteristics: Arthropods have…. – Jointed legs – Body parts divided into sections – Breath with gills or an open-tube breathing system. – hard exoskeleton for protection ...
Animal Kingdom - Science at NESS
... 1) cellular organization 2) Tissue organization 3) Organ organization (Not all phyla have all three) ...
... 1) cellular organization 2) Tissue organization 3) Organ organization (Not all phyla have all three) ...
CHAPTER 13 INTRO TO ANIMALS (p. 343)
... - tiny hairs on each segment. - for movement - to ‘hold on’ to the soil. Clittelum ...
... - tiny hairs on each segment. - for movement - to ‘hold on’ to the soil. Clittelum ...
Insect physiology
Insect physiology includes the physiology and biochemistry of insect organ systems.Although diverse, insects are quite indifferent in overall design, internally and externally. The insect is made up of three main body regions (tagmata), the head, thorax and abdomen.The head comprises six fused segments with compound eyes, ocelli, antennae and mouthparts, which differ according to the insect’s particular diet, e.g. grinding, sucking, lapping and chewing. The thorax is made up of three segments: the pro, meso and meta thorax, each supporting a pair of legs which may also differ, depending on function, e.g. jumping, digging, swimming and running. Usually the middle and the last segment of the thorax have paired wings. The abdomen generally comprises eleven segments and contains the digestive and reproductive organs.A general overview of the internal structure and physiology of the insect is presented, including digestive, circulatory, respiratory, muscular, endocrine and nervous systems, as well as sensory organs, temperature control, flight and molting.