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Questions and Answers
What term describes having no symmetry?
What term describes having no symmetry?
- Asymmetry (correct)
- Radial symmetry
- Bilateral symmetry
- Dorsal
Which term refers to the bottom side towards the stomach?
Which term refers to the bottom side towards the stomach?
- Ventral (correct)
- Posterior
- Medial
- Dorsal
Which term means 'exchange of oxygen and carbon dioxide'?
Which term means 'exchange of oxygen and carbon dioxide'?
- Assimilation
- Digestion
- Excretion
- Respiration (correct)
What system has hemolymph flowing from vessels into the body cavity?
What system has hemolymph flowing from vessels into the body cavity?
Which type of reproduction involves budding and regeneration?
Which type of reproduction involves budding and regeneration?
What is the term for being arranged equally in all directions from a point?
What is the term for being arranged equally in all directions from a point?
Which term refers to the top side of an animal towards the head?
Which term refers to the top side of an animal towards the head?
Which term means 'toward the middle'?
Which term means 'toward the middle'?
Which system involves hemolymph flowing from vessels into the body cavity?
Which system involves hemolymph flowing from vessels into the body cavity?
What is the term for 'absorbing nutrients' in animals?
What is the term for 'absorbing nutrients' in animals?
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Study Notes
Animal Kingdom Terminology
Symmetry and Body Orientation
- Asymmetry: Having no symmetry
- Bilateral symmetry: Same on both sides
- Radial symmetry: Arranged equally in all directions from a central point
- Ventral: Bottom side towards the stomach
- Dorsal: Top side towards the back
- Anterior: Towards the head
- Posterior: Towards the tail
Vertebrates and Invertebrates
- Vertebrates: Have a backbone
- Invertebrates: No backbone
Body Structure and Movement
- Medial: Towards the middle
- Lateral: Towards the side
- Transverse: Crosses perpendicular to the middle
- Coelomate: Having a true body cavity
- Pseudocoelomate: Having a false body cavity
- Acoelomate: Having no body cavity
- Motile: Capable of moving around
- Sessile: Stationary
- Endoskeleton: Internal structure of bone
- Exoskeleton: Tough plate on the outside
Life Processes
- Ingestion: Intake of food
- Digestion: Breakdown of food
- Assimilation: Absorbing nutrients
- Elimination: Expelling wastes
- Respiration: Exchanging oxygen and carbon dioxide
Circulatory System
- Open Circulatory System: Hemolymph flows from vessels into the body cavity
- Closed Circulatory System: Blood is contained in vessels
Reproduction and Excretion
- Asexual reproduction: Budding and regeneration
- Sexual reproduction: Meiosis → Sex cells → Zygote → Embryonic stages
- Excretion: Elimination of wastes
Response to Stimuli
- Stimuli: Response to stimuli
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